Cấu trúc hóa học của các hoạt chất thuộc nhóm Steroids and steroid derivatives là 8-{9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0049042), (1r,5s,8r)-8-[(1r,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0039904), (1r,5r,8r)-8-[(1r,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0243447), 15-[1-(4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]-5-hydroxy-10,14-dimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0182645), 5,13-dihydroxy-15-{1-[5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl}-10,14-dimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0264296), 15-[1-(4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl)-2-hydroxyethyl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one (LTS0066002), (1s,2r,7s,9r,11s,12s,15r,16s)-15-[(1r)-1-[(2r)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]-2-hydroxyethyl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one (LTS0093651), 2,16-dimethyl-15-{1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl}-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0270289), (1s,2r,7s,9r,11s,12s,15r,16s)-2,16-dimethyl-15-[(1r,4r,5r)-1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0137700), (6r)-6-[(1r)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3-(methoxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0010827), 8-{11-hydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,8h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0105419), 15-[1-(4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl)ethyl]-5,13,17-trihydroxy-10,14-dimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0065708), 8-{11-hydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0234974), (1s,2s,4s,5r,10r,11s,13r,14r,15r,18s)-5,13-dihydroxy-15-[(1s)-1-[(2r)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-10,14-dimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0252384), 6-(1-{5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-3-(hydroxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0176365), 17-hydroxy-15-{2-hydroxy-1-[5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl}-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0197932), 6-{1-[(9ar,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl}-3-(methoxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0092111), (1s,5s)-8-[(9ar,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0179667), (6r)-6-[(1r)-1-[(1r,5r,5ar,9ar,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3-(hydroxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0107861), (9ar,11as)-9a,11a-dimethyl-1-{1-methyl-7,8-dioxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl}-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,7h,8h,9bh,10h,11h-cyclopenta[a]phenanthrene-7-sulfonic acid (LTS0205049), (1s,2r,5r,7s,9r,11s,12s,15r,16s)-5-methoxy-2,16-dimethyl-15-[(1r,4r,5r)-1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one (LTS0191843), (6r)-6-[(1r)-1-[(1s,3as,3br,5r,5ar,9ar,9bs,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3-(hydroxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0206609), (1r,2r,7s,9r,11r,12s,15r,16s,17r)-17-hydroxy-15-[(1r)-2-hydroxy-1-[(2r)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0164638), (1s,2r,7s,9r,11s,12s,15r,16s)-15-[(1r,4r,5r,8r)-8-(hydroxymethyl)-1-methyl-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one (LTS0173724), 15-[8-(hydroxymethyl)-1-methyl-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one (LTS0267413), (1s,2r,7s,9r,11s,12s,15r,16s)-15-[(1r,4r,5r,8r)-8-(hydroxymethyl)-1-methyl-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0263985), (6r)-6-[(1r)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11r,11as)-5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3-(hydroxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0235517), (1r,5s,8r)-8-[(1r,3as,3bs,9ar,9bs,11r,11as)-11-hydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0177475), (1s,5s)-8-[(9ar,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-4-(hydroxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0060461), (1r,5r,8r)-8-[(1r,3as,3bs,5r,9ar,9bs,11as)-5-hydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0067658), 15-[8-(hydroxymethyl)-1-methyl-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0064923), (6r)-6-[(1r)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3-(hydroxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0029571), 6-(1-{5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-3-(hydroxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0039232), 5-methoxy-2,16-dimethyl-15-{1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl}-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one (LTS0020698), (6r)-6-[(1r)-1-[(1r,3as,3bs,5r,5ar,9ar,9br,11r,11as)-5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3-(hydroxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0034741), (9ar,11as)-1-{2-hydroxy-1-[5-(methoxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl}-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,7h,8h,9bh,10h,11h-cyclopenta[a]phenanthrene-7-sulfonic acid (LTS0256467), (6r)-6-[(1r)-1-[(5r,5ar)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-4-methyl-3-({[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-5,6-dihydropyran-2-one (LTS0200744), 6-(1-{5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0082448), (6r)-6-[(1r)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-4-methyl-3-({[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-5,6-dihydropyran-2-one (LTS0221103), (6r)-6-[(1r)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11r,11as)-5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-dodecahydro-1h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0134846), (6r)-6-[(1r)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0123396), {6-[(8-{9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-5-methyl-3-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl)methoxy]-3,4,5-tris(acetyloxy)oxan-2-yl}methyl acetate (LTS0124960), 6-(1-{5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-dodecahydro-1h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0056279), [(1r,3as,3bs,7s,9ar,9bs,11as)-1-[(1r)-2-hydroxy-1-[(2r)-5-(methoxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,7h,8h,9bh,10h,11h-cyclopenta[a]phenanthren-7-yl]oxidanesulfonic acid (LTS0075066), 5-hydroxy-15-{1-[5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl}-10,14-dimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0239730), (1s,2s,4s,5r,10r,11r,13r,14r,15r,18s)-5,13-dihydroxy-15-[(1s)-1-[(2r)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-10,14-dimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0084045), 8-{5-hydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0089898), [(2r,3r,4s,5r,6r)-6-{[(1r,4r,5r,8r)-8-[(1s,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-3-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]methoxy}-3,4,5-tris(acetyloxy)oxan-2-yl]methyl acetate (LTS0080109), (6r)-6-[(1r)-1-[(1r,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-4-methyl-3-({[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-5,6-dihydropyran-2-one (LTS0091559), (1s,5s,7s,9r,11s,12s)-5-hydroxy-2,16-dimethyl-15-[(1r,4r,5r)-1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one (LTS0101684), (1r,5r,8r)-8-[(1r,3as,3bs,9ar,9bs,11r,11as)-11-hydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,8h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0147953), (7s,9r,17r)-17-hydroxy-2,16-dimethyl-15-[(1r,4r,5r)-1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0092314), 17-hydroxy-2,16-dimethyl-15-{1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl}-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0012392), (1s,4s,5s,8r)-8-[(1r,3as,3bs,9ar,9br,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-4-(methoxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0091430), (6r)-6-[(1s)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11r,11as)-5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3-(methoxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0038284), 8-{5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-4-(methoxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0201717), (1-{2-hydroxy-1-[5-(methoxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl}-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,7h,8h,9bh,10h,11h-cyclopenta[a]phenanthren-7-yl)oxidanesulfonic acid (LTS0092557), (6r)-6-[(1r)-1-[(1r,3as,3br,5r,5ar,9ar,9br,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0048551), 6-(1-{3,5,5a-trihydroxy-9a,11a-dimethyl-9-oxo-dodecahydro-1h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0057560), [(1r,3as,3bs,7r,9ar,9bs,11as)-9a,11a-dimethyl-1-[(1r,4r,5r)-1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,7h,8h,9bh,10h,11h-cyclopenta[a]phenanthren-7-yl]oxidanesulfonic acid (LTS0194326), (1r,5r,8r)-8-[(5r,11r)-5,11-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0088387), (1r,5r,8r)-8-[(1r,3as,3bs,5r,5ar,9ar,9bs,11r,11as)-5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0179231), (1s,2r,5s,7s,9r,11s,12s,15r,16s)-5-hydroxy-2,16-dimethyl-15-[(1r,4r,5r)-1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one (LTS0147554), (1r,4s,5r,8r)-8-[(1r,3as,3bs,5r,5ar,9ar,9bs,11r,11as)-5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-4-(hydroxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0109850), (1r,5r,8r)-8-[(1r,3as,3bs,9bs,11as)-6,11a-dimethyl-1h,2h,3h,3ah,3bh,4h,5h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0141387), 6-(1-{5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-dodecahydro-1h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0165793), (1r,5r,8r)-8-[(1r,3as,3bs,9ar,9bs,11r,11as)-11-hydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0271783), 8-{5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0148644), (1r,5r,8r)-8-[(1r,3as,3bs,5r,5ar,9ar,9bs,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0146222), 6-(1-{9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-4-methyl-3-({[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-5,6-dihydropyran-2-one (LTS0138437), (6r)-6-[(1r)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11r,11as)-5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0163476), (1s,2r,7s,9r,11s,12s,15r,16s,17r)-17-hydroxy-2,16-dimethyl-15-[(1r,4r,5r)-1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0161661), (1r,5r,8r)-8-[(1r,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-4-(methoxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0137985), (1r,4r,5r,8r)-8-[(1s,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-4-(methoxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0128372), 5-hydroxy-10,14-dimethyl-15-{1-[4-methyl-6-oxo-5-({[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-2,3-dihydropyran-2-yl]ethyl}-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0165301), (1s,4r,5s,8r)-8-[(1r,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-4-(hydroxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0126492), (6r)-6-[(1r)-1-[(1r,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3-(methoxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0117654), 6-(1-{5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0068957), (1s,2s,4s,5r,10r,11s,14r,15r,18s)-5-hydroxy-10,14-dimethyl-15-[(1s)-1-[(2r)-4-methyl-6-oxo-5-({[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-2,3-dihydropyran-2-yl]ethyl]-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0068372), 8-{5,11-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0192770), (1r,4s,5r,8r)-8-[(1r,3as,3bs,5r,5ar,9ar,9bs,11r,11as)-5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-4-(methoxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0175238), (6s)-6-[(1r)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11ar)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-4-methyl-3-({[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-5,6-dihydropyran-2-one (LTS0212025), 8-{5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0208001), withanolide b (LTS0218560), (1s,2s,4s,5r,10r,11s,13s,14r,15r,18s)-5,13-dihydroxy-10,14-dimethyl-15-[(1s)-1-[(2r)-4-methyl-6-oxo-5-({[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-2,3-dihydropyran-2-yl]ethyl]-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0071238), (1s,2s,4s,5r,10r,11r,14r,15r,18s)-15-[(1s)-1-[(2r)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-5-hydroxy-10,14-dimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0214206), (1r,5r,8r)-8-[(11r)-11-hydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,8h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0210659), (1s,2r,7s,9r,11s,12s,15r,16s)-15-[(1r)-2-hydroxy-1-[(2r)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0168296), (1r,5r,8r)-8-[(1r,3as,3bs,5s,5as,9ar,9bs,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0165759), (6r)-6-[(1r)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-dodecahydro-1h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0246933), (9a,11a-dimethyl-1-{1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl}-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,7h,8h,9bh,10h,11h-cyclopenta[a]phenanthren-7-yl)oxidanesulfonic acid (LTS0229617), (6r)-6-[(1r)-1-[(1r,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-4-methyl-3-({[(3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-5,6-dihydropyran-2-one (LTS0049892), (6r)-6-[(1s)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-dodecahydro-1h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0051622), (1r,2s,4s,5r,10r,11s,13r,14r,15r,17r,18s)-15-[(1r)-1-[(2r)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-5,13,17-trihydroxy-10,14-dimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0041156), 8-{9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-4-(methoxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0057054), 6-(1-{9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}ethyl)-4-methyl-3-({[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-5,6-dihydropyran-2-one (LTS0058348), 6-(1-{5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-3-(methoxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0011877), 7-{9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0273563), 8-{5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-4-(hydroxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0122737), (6r)-6-[(1s)-1-[(1r,3r,3as,3br,5r,5ar,9ar,9bs,11ar)-3,5,5a-trihydroxy-9a,11a-dimethyl-9-oxo-dodecahydro-1h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3,4-dimethyl-5,6-dihydropyran-2-one (LTS0040841), 5,13-dihydroxy-10,14-dimethyl-15-{1-[4-methyl-6-oxo-5-({[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-2,3-dihydropyran-2-yl]ethyl}-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0068704), (1r,5r,8r)-8-[(5s,5as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0265819), 8-{9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-4-(hydroxymethyl)-5-methyl-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0001229), (6r)-6-[(1s)-1-[(1r,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]ethyl]-4-methyl-3-({[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-5,6-dihydropyran-2-one (LTS0000833), 6-(1-{9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-3-(methoxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0092457), (1r,5r,8r)-8-[(1r,3as,3bs,5r,9ar,9bs,11r,11as)-5,11-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0212682), (1r,5s,7r)-7-[(1s,3as,3bs,9ar,9bs,11as)-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0110348), 6-(1-{5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-3-(methoxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0019929), (6r)-6-[(1s)-1-[(1r,3as,3bs,5r,5ar,9ar,9bs,11as)-5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-2-hydroxyethyl]-3-(hydroxymethyl)-4-methyl-5,6-dihydropyran-2-one (LTS0244656), (1r,5r,8r)-8-[(5r,5ar,11r)-5,5a,11-trihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl]-5-methyl-4-methylidene-2,6-dioxabicyclo[3.3.1]nonan-3-one (LTS0271711), (1s,2s,4s,5r,10r,11s,13r,14r,15r,18s)-5,13-dihydroxy-10,14-dimethyl-15-[(1s)-1-[(2r)-4-methyl-6-oxo-5-({[(2r,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-2,3-dihydropyran-2-yl]ethyl]-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0029157), 5-hydroxy-2,16-dimethyl-15-{1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl}-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadecan-3-one (LTS0118801), 6-(1-{5,5a-dihydroxy-9a,11a-dimethyl-9-oxo-1h,2h,3h,3ah,3bh,4h,5h,6h,9bh,10h,11h-cyclopenta[a]phenanthren-1-yl}-2-hydroxyethyl)-4-methyl-3-({[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)-5,6-dihydropyran-2-one (LTS0259109), 15-{2-hydroxy-1-[5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl}-2,16-dimethyl-8-oxapentacyclo[9.7.0.0²,⁷.0⁷,⁹.0¹²,¹⁶]octadec-4-en-3-one (LTS0260546), (1s,2s,4s,5r,10r,11s,14r,15r,18s)-5-hydroxy-15-[(1s)-1-[(2r)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-10,14-dimethyl-3-oxapentacyclo[9.7.0.0²,⁴.0⁵,¹⁰.0¹⁴,¹⁸]octadec-7-en-9-one (LTS0038821).
