Cấu trúc hóa học của các hoạt chất thuộc nhóm Benzopyrans là mangostin (LTS0004668), 8-deoxygartanin (LTS0274495), 1,3,7-trihydroxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0078884), 1,6-dihydroxy-3,7-dimethoxy-2,8-bis(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0231909), tovophylline a (LTS0030746), garcinone e (LTS0075006), gartanin (LTS0169459), mangostinone (LTS0064756), 10,22-dihydroxy-7,7,18,18-tetramethyl-11-(3-methylbut-2-en-1-yl)-8,13,17-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁶,²¹]docosa-1(22),3,5,9,11,14,16(21),19-octaen-2-one (LTS0240097), gamma-mangostin (LTS0090390), 2-(3,7-dimethylocta-2,6-dien-1-yl)-1,3,5-trihydroxyxanthen-9-one (LTS0239053), 1,7-dihydroxy-3-methoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0013412), 6,8,12-trihydroxy-2,2-dimethyl-7-(3-methylbut-2-en-1-yl)-1,10-dioxatetraphen-5-one (LTS0017147), 1,6-dihydroxy-3,7-dimethoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0269570), 7,9,12-trihydroxy-2,2-dimethyl-1,11-dioxatetracen-6-one (LTS0118866), gentisein (LTS0124197), 3-isomangostin (LTS0214254), 10,22-dihydroxy-7,7,18,18-tetramethyl-8,13,17-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁶,²¹]docosa-1(22),3,9,11,14,16(21)-hexaen-2-one (LTS0017725), 1,3,6-trihydroxy-2-[(2s)-2-hydroxy-3-methylbut-3-en-1-yl]-7-methoxy-8-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0049799), smeathxanthone a (LTS0158279), 9-hydroxycalabaxanthone (LTS0147085), 1,5,8-trihydroxy-3-methoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0110195), (2s)-4,9-dihydroxy-2-(2-hydroxypropan-2-yl)-11-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0219342), 3,6,8-trihydroxy-2-methoxy-1-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0267274), 1,5-dihydroxy-3-methoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0274706), mellein (LTS0236743), 2-(3,7-dimethylocta-2,6-dien-1-yl)-1,3,5,8-tetrahydroxyxanthen-9-one (LTS0215724), 1,3,6-trihydroxy-2-(2-hydroxy-3-methylbut-3-en-1-yl)-7-methoxy-8-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0033786), (2r)-4-hydroxy-2-(2-hydroxypropan-2-yl)-7,8-dimethoxy-6-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0229635), 4,9-dihydroxy-2-(2-hydroxypropan-2-yl)-11-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0231241), mellein (LTS0027076), garcinone d (LTS0006332), 1,3,6,7-tetrahydroxy-8-(3-hydroxy-3-methylbutyl)-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0066957), 2,3,5,7-tetrahydroxyxanthen-9-one (LTS0064122), 1-(3,3-dimethylbutyl)-3,6,8-trihydroxy-2-methoxy-7-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0136689), 11α-mangostanin (LTS0069820), 5,8-dihydroxy-2,2-dimethyl-7-(3-methylbut-2-en-1-yl)-1,11-dioxatetracen-6-one (LTS0028206), (1s,2s)-1,8,10-trihydroxy-2-(2-hydroxypropan-2-yl)-9-(3-methylbut-2-en-1-yl)-1h,2h-furo[3,2-a]xanthen-11-one (LTS0083781), 1-hydroxy-2-(2-hydroxy-3-methylbut-3-en-1-yl)-3,6,7-trimethoxy-8-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0127853), 1,3,7-trihydroxy-2,8-bis(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0123333), 6,8,12-trihydroxy-2,2-dimethyl-7-(3-methylbut-2-en-1-yl)-3,4-dihydro-1,10-dioxatetraphen-5-one (LTS0173983), (3s)-3,6,8,11-tetrahydroxy-2,2-dimethyl-7-(3-methylbut-2-en-1-yl)-3,4-dihydro-1,10-dioxatetraphen-5-one (LTS0203422), 1-hydroxy-8-[(2r)-2-hydroxy-3-methylbut-3-en-1-yl]-3,6,7-trimethoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0211920), (6s,7s)-1,6,7-trihydroxy-3-methoxy-2-(3-methylbut-2-en-1-yl)-5,6,7,8-tetrahydroxanthen-9-one (LTS0086145), 5-hydroxy-8,9-dimethoxy-2,2-dimethyl-7-(3-methylbut-2-en-1-yl)-1,11-dioxatetracen-6-one (LTS0124869), 1,3,6-trihydroxy-7-methoxy-8-(3-methyl-2-oxobut-3-en-1-yl)-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0141432), 2,4,5-trihydroxy-1-methoxyxanthen-9-one (LTS0101946), 5,12-dihydroxy-2,2,9,9-tetramethyl-14-(3-methylbut-2-en-1-yl)-1,6,8-trioxapentacen-13-one (LTS0117541), 3,4,8-trihydroxy-2-(2-hydroxypropan-2-yl)-7-methoxy-6-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0170559), 1,6-dihydroxy-2-[(2r)-2-hydroxy-3-methylbut-3-en-1-yl]-3,7-dimethoxy-8-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0178485), (3s)-3,5,9-trihydroxy-10-methoxy-2,2-dimethyl-11-(3-methylbut-2-en-1-yl)-3,4-dihydro-1,7-dioxatetraphen-12-one (LTS0179749), 10,22-dihydroxy-7,7,18,18-tetramethyl-8,13,17-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁶,²¹]docosa-1(22),3,9,11,14,16(21),19-heptaen-2-one (LTS0116124), 22-hydroxy-10-methoxy-7,7,18,18-tetramethyl-8,13,17-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁶,²¹]docosa-1(22),3,9,11,14,16(21),19-heptaen-2-one (LTS0116316), 1-hydroxy-8-(3-hydroxy-3-methylbut-1-en-1-yl)-3,6,7-trimethoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0151187), 4,8,10-trihydroxy-9-(3-methylbut-2-en-1-yl)-2-(prop-1-en-2-yl)-1h,2h-furo[3,2-a]xanthen-11-one (LTS0134990), 5,9-dihydroxy-7-(3-hydroxy-3-methylbutyl)-8-methoxy-2,2-dimethyl-1,11-dioxatetracen-6-one (LTS0193960), 3,6,8,11-tetrahydroxy-2,2-dimethyl-7-(3-methylbut-2-en-1-yl)-3,4-dihydro-1,10-dioxatetraphen-5-one (LTS0201029), 1,3,6-trihydroxy-2-[(2r)-2-hydroxy-3-methylbut-3-en-1-yl]-7-methoxy-8-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0246824), 1,6-dihydroxy-2-[(2s)-2-hydroxy-3-methylbut-3-en-1-yl]-3,7-dimethoxy-8-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0148678), 10,16-dihydroxy-6,6,19,19-tetramethyl-15-(3-methylbut-2-en-1-yl)-5,13,18-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁷,²²]docosa-1(22),3,7,9,11,14,16,20-octaen-2-one (LTS0151632), 1-isomangostin (LTS0121436), 5,10-dihydroxy-2,2-dimethyl-12-(3-methylbut-2-en-1-yl)-1,11-dioxatetracen-6-one (LTS0161438), 3,5,9-trihydroxy-8-methoxy-2,2-dimethyl-7-(3-methylbut-2-en-1-yl)-3,4-dihydro-1,11-dioxatetracen-6-one (LTS0160807), trans-4-hydroxymellein (LTS0166041), 2,3,6,8-tetrahydroxy-1-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0170763), 1-(2,3-dihydroxy-3-methylbutyl)-3,6,8-trihydroxy-2-methoxy-7-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0136054), 3,5,9-trihydroxy-10-methoxy-2,2-dimethyl-11-(3-methylbut-2-en-1-yl)-3,4-dihydro-1,7-dioxatetraphen-12-one (LTS0095757), 1,6-dihydroxy-3,7-dimethoxy-8-(3-methyl-2-oxobut-3-en-1-yl)-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0241561), (2s)-4,8,10-trihydroxy-9-(3-methylbut-2-en-1-yl)-2-(prop-1-en-2-yl)-1h,2h-furo[3,2-a]xanthen-11-one (LTS0096790), (1r,2r)-1,8,10-trihydroxy-2-(2-hydroxypropan-2-yl)-9-(3-methylbut-2-en-1-yl)-1h,2h-furo[3,2-a]xanthen-11-one (LTS0120943), 4-hydroxy-7,8-dimethoxy-6-(3-methylbut-2-en-1-yl)furo[3,2-b]xanthen-5-one (LTS0117978), 1,3,6-trihydroxy-2,4-bis(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0183316), 3,9-dihydroxy-5,10-dimethoxy-2,2-dimethyl-11-(3-methylbut-2-en-1-yl)-3,4-dihydro-1,7-dioxatetraphen-12-one (LTS0117102), 4,8-dihydroxy-2-(2-hydroxypropan-2-yl)-7-methoxy-6-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0067475), (2s)-4,8-dihydroxy-7-methoxy-6-(3-methylbut-2-en-1-yl)-2-(prop-1-en-2-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0261717), 4,8-dihydroxy-7-methoxy-6-(3-methylbut-2-en-1-yl)-2-(prop-1-en-2-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0209628), (2s,3r)-3,4,8-trihydroxy-2-(2-hydroxypropan-2-yl)-7-methoxy-6-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0052033), 1,6-dihydroxy-3-methoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0215756), 1,5,8-trihydroxy-3-methoxy-2,4-bis(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0222461), 1,6-dihydroxy-8-[(1e)-3-hydroxy-3-methylbut-1-en-1-yl]-3,7-dimethoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0208929), 1-[(2s)-2,3-dihydroxy-3-methylbutyl]-3,6,8-trihydroxy-2-methoxy-7-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0081448), 4,7-dihydroxy-2-(2-hydroxypropan-2-yl)-6-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0222283), 1,6-dihydroxy-2-(2-hydroxy-3-methylbut-3-en-1-yl)-3,7-dimethoxy-8-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0188719), (2s)-4,8,10-trihydroxy-2-(2-hydroxypropan-2-yl)-9-(3-methylbut-2-en-1-yl)-1h,2h-furo[3,2-a]xanthen-11-one (LTS0164037), 4,8-dihydroxy-3-methyl-3,4-dihydro-2-benzopyran-1-one (LTS0170094), (2s)-4,8-dihydroxy-2-(2-hydroxypropan-2-yl)-7-methoxy-6-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0169307), 1,3,7-trihydroxy-2-methoxyxanthen-9-one (LTS0207686), 1,6-dihydroxy-8-(3-hydroxy-3-methylbut-1-en-1-yl)-3,7-dimethoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0250097), 10,22-dihydroxy-7,7,18,18-tetramethyl-11-(3-methylbut-2-en-1-yl)-8,13,17-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁶,²¹]docosa-1(22),3,9,11,14,16(21),19-heptaen-2-one (LTS0243340), 4,7-dihydroxy-2-(2-hydroxypropan-2-yl)-11-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0250985), 1-hydroxy-2-[(2r)-2-hydroxy-3-methylbut-3-en-1-yl]-3,6,7-trimethoxy-8-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0063592), 22-hydroxy-7,7,18,18-tetramethyl-8,13,17-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁶,²¹]docosa-1(22),3,5,9,11,14,16(21),19-octaen-2-one (LTS0125235), cratoxyxanthone (LTS0130968), 5-hydroxy-8-methoxy-2,2-dimethyl-7-(3-methylbut-2-en-1-yl)-1,11-dioxatetracen-6-one (LTS0005339), 1,3-dihydroxy-2-(2-hydroxy-3-methylbut-3-en-1-yl)-6,7-dimethoxy-8-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0015155), 4-hydroxy-2-(2-hydroxypropan-2-yl)-7,8-dimethoxy-6-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0129425), (3r)-3,6,8,11-tetrahydroxy-2,2-dimethyl-7-(3-methylbut-2-en-1-yl)-3,4-dihydro-1,10-dioxatetraphen-5-one (LTS0007290), 1-hydroxy-8-(2-hydroxy-3-methylbut-3-en-1-yl)-3,6,7-trimethoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0015615), 1,6-dihydroxy-8-(2-hydroxy-3-methylbut-3-en-1-yl)-3,7-dimethoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0001144), 10,15-dihydroxy-7,7,19,19-tetramethyl-11-(3-methylbut-2-en-1-yl)-2,8,20-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁶,²¹]docosa-1(22),3,5,9,11,14,16(21),17-octaen-13-one (LTS0262247), (3r)-3,9-dihydroxy-5,10-dimethoxy-2,2-dimethyl-11-(3-methylbut-2-en-1-yl)-3,4-dihydro-1,7-dioxatetraphen-12-one (LTS0016522), (3s)-3,5,9-trihydroxy-8-methoxy-2,2-dimethyl-7-(3-methylbut-2-en-1-yl)-3,4-dihydro-1,11-dioxatetracen-6-one (LTS0056527), 1,6-dihydroxy-8-[(2r)-2-hydroxy-3-methylbut-3-en-1-yl]-3,7-dimethoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0034259), 6,8,12-trihydroxy-2,2-dimethyl-7,11-bis(3-methylbut-2-en-1-yl)-3,4-dihydro-1,10-dioxatetraphen-5-one (LTS0242758), (2s)-4,7-dihydroxy-2-(2-hydroxypropan-2-yl)-11-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0005088), 4-[(2s,3r)-4,8-dihydroxy-2-(2-hydroxypropan-2-yl)-7-methoxy-6-(3-methylbut-2-en-1-yl)-5-oxo-2h,3h-furo[3,2-b]xanthen-3-yl]-1,3,6-trihydroxy-7-methoxy-2,8-bis(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0208522), (2s)-4,7-dihydroxy-2-(2-hydroxypropan-2-yl)-6-(3-methylbut-2-en-1-yl)-2h,3h-furo[3,2-b]xanthen-5-one (LTS0023328), 1,8,10-trihydroxy-2-(2-hydroxypropan-2-yl)-9-(3-methylbut-2-en-1-yl)-1h,2h-furo[3,2-a]xanthen-11-one (LTS0127995), 4-[4,8-dihydroxy-2-(2-hydroxypropan-2-yl)-7-methoxy-6-(3-methylbut-2-en-1-yl)-5-oxo-2h,3h-furo[3,2-b]xanthen-3-yl]-1,3,6-trihydroxy-7-methoxy-2,8-bis(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0262429), 4,8-dihydroxy-7-methoxy-6-(3-methylbut-2-en-1-yl)furo[3,2-b]xanthen-5-one (LTS0037501), 1-hydroxy-8-[(1e)-3-hydroxy-3-methylbut-1-en-1-yl]-3,6,7-trimethoxy-2-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0039363), cis-4-hydroxymellein (LTS0036641), cudraxanthone g (LTS0045459), 1,3-dihydroxy-2-[(2r)-2-hydroxy-3-methylbut-3-en-1-yl]-6,7-dimethoxy-8-(3-methylbut-2-en-1-yl)xanthen-9-one (LTS0043408).