| 1 | 116360-82-8 | 17-羟基岩大戟内酯B | | C20H28O4
| 分析试剂标准品 | |
| 2 | 54868-50-7 | cupresol | cupresol | C20H28O4
| | |
| 3 | 465-92-9 | 夏至草素 | MARRUBIIN | C20H28O4
| 植物提取物;中药对照品 | |
| 4 | 51493-69-7 | sordaricin | sordaricin | C20H28O4
| | |
| 5 | 942480-13-9 | Nemoralisin | Nemoralisin | C20H28O4
| 二萜;植物提取物 | |
| 6 | 1608462-12-9 | 1608462-12-9 | 1608462-12-9 | C20H28O4
| | |
| 7 | 3650-09-7 | 鼠尾草酸 | Carnosic acid | C20H28O4
| 酸;原料;植提;对照品;标准品;食品添;高纯试剂;植物提取;医药原料;香精香料 | |
| 8 | 52482-96-9 | Marrubiagenine | Marrubiagenine | C20H28O4
| | |
| 9 | 79498-31-0 | 蓝萼甲素 | Glaucocalyxin A | C20H28O4
| 二萜;标准品;对照品;化工试剂;中药对照品;植物提取物;标准品，对照品;对照品-中药对照品;标准品 -中药标准品 | |
| 10 | 40433-82-7 | 松柏酸 | Pinusolidic acid | C20H28O4
| 二萜;标准品;植物提取物;标准品 -对照药材 | |
| 11 | 830347-16-5 | Phlogacantholide B | Phlogacantholide B | C20H28O4
| 二萜 | |
| 12 | 1620842-81-0 | 蜂斗菜素杂质24 | Petasin Impurity 24 | C20H28O4
| | |
| 13 | 212563-72-9 | 月腺大戟甲素 | Ebracteolatanolide A | C20H28O4
| | |
| 14 | 134418-28-3 | 脱水穿心莲内酯 | Dehydroandrographolide | C20H28O4
| 标准品;对照品;中药标准;分析标准品;植物提取物;中药对照品;植提标准品;中草药成分;小分子抑制剂;对照品,标准品 | |
| 15 | 2394-25-4 | 17-Deoxy Cortienic Acid | 17-Deoxy Cortienic Acid | C20H28O4
| | |
| 16 | 7758-47-6 | 7β,18-Dihydroxykaurenolide | 7β,18-Dihydroxykaurenolide | C20H28O4
| | |
| 17 | | 7Β,12Α-二羟基贝壳杉内酯素 | 7β，12α－Dihydroxykaurenolide | C20H28O4
| | |
| 18 | 155205-64-4 | 7α,15-Dihydroxydehydroabietic acid | 7α,15-Dihydroxydehydroabietic acid | C20H28O4
| 二萜 | |
| 19 | 72008-03-8 | 2-Geranyl-4-isobutyrylphloroglucinol | 2-Geranyl-4-isobutyrylphloroglucinol | C20H28O4
| 其它酚类 | |
| 20 | | 5,8-Epidioxy-5,8-dihydroretinoic acid | 5,8-Epidioxy-5,8-dihydroretinoic acid | C20H28O4
| | |
| 21 | 42895-58-9 | 14-去氧-11,12-二去氢穿心莲内酯 | 14-Deoxy-11,12-didehydroandrographolide | C20H28O4
| 二萜;标准品;化工原料;中草药成分;植物提取物;中药对照品;分析试剂标准品;标准品 -对照药材;通用生化试剂-天然产物 | |
| 22 | 77658-39-0 | ent-9-Hydroxy-15-oxokaur-16-en-19-oic acid | ent-9-Hydroxy-15-oxokaur-16-en-19-oic acid | C20H28O4
| 二萜;中药对照品 | |
| 23 | 106623-23-8 | 3,10-Dihydroxydielmentha-5,11-diene-4,9-dione | 3,10-Dihydroxydielmentha-5,11-diene-4,9-dione | C20H28O4
| 二萜;标准品;植物提取物 | |
| 24 | 946572-73-2 | Capsiconiate | Capsiconiate (Coniferyl (E)-8-methyl-6-nonenoate) | C20H28O4
| | |
| 25 | 213905-35-2 | 1-乙酰氧基-9,17-十八二烯-12,14-二炔-11,16-二醇 | 1-Acetoxy-9,17-octadecadiene-12,14-diyne-11,16-diol | C20H28O4
| 标准品;植物提取物;标准品 -对照药材 | |
| 26 | 691009-85-5 | 16-Hydroxy-8(17),13-labdadien-15,16-olid-19-oic acid | 16-Hydroxy-8(17),13-labdadien-15,16-olid-19-oic acid | C20H28O4
| 二萜;标准品;植物提取物 | |
| 27 | | 4-ANDROSTEN-17-ALPHA-OL-3-ONE-17-BETA-CARBOXYLIC ACID | 4-ANDROSTEN-17-ALPHA-OL-3-ONE-17-BETA-CARBOXYLIC ACID | C20H28O4
| | |
| 28 | 19018-46-3 | 6α,7β,13-Trihydroxykaur-16-en-18-oic acid γ-lactone | 6α,7β,13-Trihydroxykaur-16-en-18-oic acid γ-lactone | C20H28O4
| | |
| 29 | 95480-51-6 | 4,8-Bis(methacryloyloxymethyl)tricyclo[5.2.1.02,6]decane | 4,8-Bis(methacryloyloxymethyl)tricyclo[5.2.1.02,6]decane | C20H28O4
| | |
| 30 | 935293-70-2 | (4→2)-Abeo-16-hydroxycleroda-2,13-dien-15,16-olide-3-al | (4→2)-Abeo-16-hydroxycleroda-2,13-dien-15,16-olide-3-al | C20H28O4
| 二萜 | |
| 31 | | [(E)-2-Methyl-6-phenyl-2-hexenyl]malonic acid diethyl ester | [(E)-2-Methyl-6-phenyl-2-hexenyl]malonic acid diethyl ester | C20H28O4
| | |
| 32 | 36614-32-1 | 9-OXO-15S-HYDROXY-PROSTA-5Z,8(12),13E,17Z-TETRAEN-1-OIC ACID | 9-OXO-15S-HYDROXY-PROSTA-5Z,8(12),13E,17Z-TETRAEN-1-OIC ACID | C20H28O4
| | |
| 33 | 93962-78-8 | (octahydro-4,7-methanoindene-1H-diyl)bis(methylene) dicrotonate | (octahydro-4,7-methanoindene-1H-diyl)bis(methylene) dicrotonate | C20H28O4
| | |
| 34 | 77658-41-4 | (4R,5β,8α,9β,10α,12α)-9-Hydroxy-15-oxoatis-16-en-18-oic acid | (4R,5β,8α,9β,10α,12α)-9-Hydroxy-15-oxoatis-16-en-18-oic acid | C20H28O4
| | |
| 35 | 43048-08-4 | 三环癸烷二甲醇二甲基丙烯酸酯 | (octahydro-4,7-methano-1H-indenediyl)bis(methylene) bismethacrylate | C20H28O4
| | |
| 36 | 84006-57-5 | 1-Methyl-2-((2-methyl-1-oxo-3-phenyl-2-propenyl)oxy)propyl hexanoate | 1-Methyl-2-((2-methyl-1-oxo-3-phenyl-2-propenyl)oxy)propyl hexanoate | C20H28O4
| | |
| 37 | 52590-97-3 | (5Z,13E,15S,17Z)-15-Hydroxy-9-oxoprosta-5,11,13,17-tetraen-1-oic acid | (5Z,13E,15S,17Z)-15-Hydroxy-9-oxoprosta-5,11,13,17-tetraen-1-oic acid | C20H28O4
| | |
| 38 | 64924-07-8 | 3-[(E)-3,7-Dimethyl-2,6-octadienyl]-2,4-dihydroxy-6-propylbenzoic acid | 3-[(E)-3,7-Dimethyl-2,6-octadienyl]-2,4-dihydroxy-6-propylbenzoic acid | C20H28O4
| | |
| 39 | | Bismethacrylic acid tricyclo[5.2.1.02,6]decane-3,8-diylbismethylene ester | Bismethacrylic acid tricyclo[5.2.1.02,6]decane-3,8-diylbismethylene ester | C20H28O4
| | |
| 40 | | 4-(2,4,6-Trimethylbenzoyl)-2,3-dimethyl-4-oxobutyric acid tert-butyl ester | 4-(2,4,6-Trimethylbenzoyl)-2,3-dimethyl-4-oxobutyric acid tert-butyl ester | C20H28O4
| | |
| 41 | 5880-42-2 | 2-Methyl-1-[2,4,6-trihydroxy-3,5-bis(3-methyl-2-butenyl)phenyl]-1-propanone | 2-Methyl-1-[2,4,6-trihydroxy-3,5-bis(3-methyl-2-butenyl)phenyl]-1-propanone | C20H28O4
| | |
| 42 | 468-62-2 | 3,3-Bis(3-methyl-2-butenyl)-5-(3-methyl-1-oxobutyl)-1,2,4-cyclopentanetrione | 3,3-Bis(3-methyl-2-butenyl)-5-(3-methyl-1-oxobutyl)-1,2,4-cyclopentanetrione | C20H28O4
| | |
| 43 | 130675-12-6 | (E)-(5R,7R)-8-BENZYLOXY-7-HYDROXY-5-METHYL-5-VINYL-OCT-2-ENOIC ACID ETHYL ESTER | (E)-(5R,7R)-8-BENZYLOXY-7-HYDROXY-5-METHYL-5-VINYL-OCT-2-ENOIC ACID ETHYL ESTER | C20H28O4
| | |
| 44 | 56154-57-5 | 2,3-Dihydro-5-hydroxy-2,2-dimethyl-3-(3-oxobutyl)-7-pentyl-4H-1-benzopyran-4-one | 2,3-Dihydro-5-hydroxy-2,2-dimethyl-3-(3-oxobutyl)-7-pentyl-4H-1-benzopyran-4-one | C20H28O4
| | |
| 45 | 51243-47-1 | 2-丙烯酸丁酯与乙烯苯和2-丙烯酸乙酯的聚合物 | 2-Propenoic acid, butyl ester, polymer with ethenylbenzene and ethyl 2-propenoate | C20H28O4
| | |
| 46 | | 5ALPHA-ANDROSTAN-17BETA-CARBOXYLIC ACID-3BETA,18-DIOL-11BETA,18-EPOXY GAMMA LACTONE | 5ALPHA-ANDROSTAN-17BETA-CARBOXYLIC ACID-3BETA,18-DIOL-11BETA,18-EPOXY GAMMA LACTONE | C20H28O4
| | |
| 47 | | 6-(2-FURAN-3-YL-ETHYL)-6-HYDROXY-2A,5A,7-TRIMETHYL-DECAHYDRO-NAPHTHO[1,8-BC]FURAN-2-ONE | 6-(2-FURAN-3-YL-ETHYL)-6-HYDROXY-2A,5A,7-TRIMETHYL-DECAHYDRO-NAPHTHO[1,8-BC]FURAN-2-ONE | C20H28O4
| | |
| 48 | 25301-37-5 | 2-Propenoic acid, 2-methyl-, polymer with butyl 2-methyl-2-propenoate and ethenylbenzene | 2-Propenoic acid, 2-methyl-, polymer with butyl 2-methyl-2-propenoate and ethenylbenzene | C20H28O4
| | |
| 49 | 71302-28-8 | 3α-Hydroxy-4β-hydroxymethyl-4,8-dimethyl-18-nor-16-oxa-5α-androsta-13(17),14-dien-2-one | 3α-Hydroxy-4β-hydroxymethyl-4,8-dimethyl-18-nor-16-oxa-5α-androsta-13(17),14-dien-2-one | C20H28O4
| | |
| 50 | 27136-15-8 | 2-甲基-2-丙烯酸甲酯与2-丙烯酸丁酯和乙烯基苯的聚合物 | 2-Propenoic acid, 2-methyl-, methyl ester, polymer with butyl 2-propenoate and ethenylbenzene | C20H28O4
| | |
| 51 | | (6E,10E)-2,6,10-Trimethyl-13-[(4,5-epoxy-2-oxotetrahydrofuran)-3-yl]trideca-2,6,10-trien-4-one | (6E,10E)-2,6,10-Trimethyl-13-[(4,5-epoxy-2-oxotetrahydrofuran)-3-yl]trideca-2,6,10-trien-4-one | C20H28O4
| | |
| 52 | | (2E,6E)-9-[(2,5-Dihydro-2-oxofuran)-4-yl]-2-(4-methyl-3-pentenyl)-6-methyl-2,6-nonadienoic acid | (2E,6E)-9-[(2,5-Dihydro-2-oxofuran)-4-yl]-2-(4-methyl-3-pentenyl)-6-methyl-2,6-nonadienoic acid | C20H28O4
| | |
| 53 | | (6E,10E)-2,6,10-Trimethyl-13-[(2,5-dihydro-2-hydroxy-5-oxofuran)-3-yl]trideca-2,6,10-trien-4-one | (6E,10E)-2,6,10-Trimethyl-13-[(2,5-dihydro-2-hydroxy-5-oxofuran)-3-yl]trideca-2,6,10-trien-4-one | C20H28O4
| | |
| 54 | | 5-(4-Hydroxybutyl)-2-[(2R)-2-(1-methylethenyl)-5-(hydroxymethyl)-5-cyclohexen-1-yl]benzene-1,3-diol | 5-(4-Hydroxybutyl)-2-[(2R)-2-(1-methylethenyl)-5-(hydroxymethyl)-5-cyclohexen-1-yl]benzene-1,3-diol | C20H28O4
| | |
| 55 | | 5-(Butyl)-2-[(2R)-2-(1-methylethenyl)-4-hydroxy-5-(hydroxymethyl)-5-cyclohexen-1-yl]benzene-1,3-diol | 5-(Butyl)-2-[(2R)-2-(1-methylethenyl)-4-hydroxy-5-(hydroxymethyl)-5-cyclohexen-1-yl]benzene-1,3-diol | C20H28O4
| | |
| 56 | 62824-08-2 | (1R,3S,5S,8E,13R)-5,9,13-Trimethyl-16-methylene-4,14-dioxatricyclo[11.3.2.03,5]octadec-8-ene-12,15-dione | (1R,3S,5S,8E,13R)-5,9,13-Trimethyl-16-methylene-4,14-dioxatricyclo[11.3.2.03,5]octadec-8-ene-12,15-dione | C20H28O4
| | |
| 57 | 111139-69-6 | (5α,9α,10β)-2α-Hydroxy-4β-(hydroxymethyl)-4,8β-dimethyl-18-nor-16-oxaandrosta-13(17),14-diene-3-one | (5α,9α,10β)-2α-Hydroxy-4β-(hydroxymethyl)-4,8β-dimethyl-18-nor-16-oxaandrosta-13(17),14-diene-3-one | C20H28O4
| | |
| 58 | 21764-41-0 | 落叶松醌 | (4bS)-4b,5,6,7,8,8aβ,9,10-Octahydro-3,10α-dihydroxy-2-isopropyl-4bα,8,8-trimethyl-1,4-phenanthrenedione | C20H28O4
| 其它天然产物 | |
| 59 | | 1,2,3,4,4a,10b-Hexahydro-4a-hydroxy-9-methoxy-4,4,10b-trimethyl-8-(1-methylethyl)-6H-dibenzo[b,d]pyran-6-one | 1,2,3,4,4a,10b-Hexahydro-4a-hydroxy-9-methoxy-4,4,10b-trimethyl-8-(1-methylethyl)-6H-dibenzo[b,d]pyran-6-one | C20H28O4
| | |
| 60 | 56298-88-5 | 2-Methyl-2-butenoic acid 4,4a,5,6,7,8,8a,9-octahydro-8a-hydroxy-3,4a,5-trimethylnaphtho[2,3-b]furan-6-yl ester | 2-Methyl-2-butenoic acid 4,4a,5,6,7,8,8a,9-octahydro-8a-hydroxy-3,4a,5-trimethylnaphtho[2,3-b]furan-6-yl ester | C20H28O4
| | |
| 61 | 129454-96-2 | 维A酸杂质1 | 2,4,6-Octatrienoic acid, 7-(3,5,6,7,8,8a-hexahydro-5,5,8a-trimethyl-1,2-benzodioxin-3-yl)-3-methyl-, (2E,4E,6E)- | C20H28O4
| | |
| 62 | 68121-91-5 | 3a,4,5,5a,9,10,10a,10b-Octahydro-9-hydroxy-8-hydroxymethyl-3a,5a-dimethyl-1-isopropylcyclohept[e]indene-3,6-dione | 3a,4,5,5a,9,10,10a,10b-Octahydro-9-hydroxy-8-hydroxymethyl-3a,5a-dimethyl-1-isopropylcyclohept[e]indene-3,6-dione | C20H28O4
| | |
| 63 | | [(1R,8aS)-7-(2-hydroxypropan-2-yl)-1,8a-dimethyl-6-oxo-1,2,3,4-tetrahydronaphthalen-2-yl] (Z)-2-methylbut-2-enoate | [(1R,8aS)-7-(2-hydroxypropan-2-yl)-1,8a-dimethyl-6-oxo-1,2,3,4-tetrahydronaphthalen-2-yl] (Z)-2-methylbut-2-enoate | C20H28O4
| | |
| 64 | | (9E,13E)-6-Acetyl-5-hydroxy-9,13-dimethyl-3-methylene-3,3a,4,5,6,7,8,11,12,14a-decahydro-2H-cyclotrideca[b]furan-2-one | (9E,13E)-6-Acetyl-5-hydroxy-9,13-dimethyl-3-methylene-3,3a,4,5,6,7,8,11,12,14a-decahydro-2H-cyclotrideca[b]furan-2-one | C20H28O4
| | |
| 65 | 65003-68-1 | (5R)-5,6,7,8-Tetrahydro-4-hydroxy-8β-[(1S,4E)-6-hydroxy-1,5-dimethyl-4-hexenyl]-5α-methyl-2-naphthalenecarboxylic acid | (5R)-5,6,7,8-Tetrahydro-4-hydroxy-8β-[(1S,4E)-6-hydroxy-1,5-dimethyl-4-hexenyl]-5α-methyl-2-naphthalenecarboxylic acid | C20H28O4
| | |
| 66 | | (5S,6R,8aR)-5-(2-Furan-3-yl-ethyl)-8a-hydroxymethyl-5,6-dimethyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalene-1-carboxylicacid | (5S,6R,8aR)-5-(2-Furan-3-yl-ethyl)-8a-hydroxymethyl-5,6-dimethyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalene-1-carboxylicacid | C20H28O4
| | |
| 67 | | (3S,5S,6R,8AS)-5-(2-FURAN-3-YL-ETHYL)-3-HYDROXY-5,6,8A-TRIMETHYL-3,4,4A,5,6,7,8,8A-OCTAHYDRO-NAPHTHALENE-1-CARBOXYLIC ACID | (3S,5S,6R,8AS)-5-(2-FURAN-3-YL-ETHYL)-3-HYDROXY-5,6,8A-TRIMETHYL-3,4,4A,5,6,7,8,8A-OCTAHYDRO-NAPHTHALENE-1-CARBOXYLIC ACID | C20H28O4
| | |
| 68 | 64185-22-4 | (Z)-2-Methyl-2-butenoic acid [(1S,3S,4Z,7S,10R)-4,10-dimethyl-7-isopropenyl-9-oxo-11-oxabicyclo[8.1.0]undec-4-en-3-yl] ester | (Z)-2-Methyl-2-butenoic acid [(1S,3S,4Z,7S,10R)-4,10-dimethyl-7-isopropenyl-9-oxo-11-oxabicyclo[8.1.0]undec-4-en-3-yl] ester | C20H28O4
| | |
| 69 | 873778-64-4 | 维A酸杂质3 | 2,4-Pentadienoic acid, 3-methyl-5-[4-methyl-4-[(1E)-2-(2,6,6-trimethyl-1-cyclohexen-1-yl)ethenyl]-1,2-dioxetan-3-yl]-, (2E,4E)- | C20H28O4
| | |
| 70 | 71117-53-8 | 4,4a,5,6,9,10,11,11a-Octahydro-9-hydroxy-4-(4-hydroxy-4-methyl-2-pentenylidene)-7-methyl-11-methylenecyclonona[c]pyran-3(1H)-one | 4,4a,5,6,9,10,11,11a-Octahydro-9-hydroxy-4-(4-hydroxy-4-methyl-2-pentenylidene)-7-methyl-11-methylenecyclonona[c]pyran-3(1H)-one | C20H28O4
| | |
| 71 | 68121-93-7 | (3aS)-2,3,3a,4,5,5a,6,9,10,10aβ-Decahydro-9α-hydroxy-8-hydroxymethyl-3aβ,5aα-dimethyl-1-isopropylcyclohept[e]indene-2,6-dione | (3aS)-2,3,3a,4,5,5a,6,9,10,10aβ-Decahydro-9α-hydroxy-8-hydroxymethyl-3aβ,5aα-dimethyl-1-isopropylcyclohept[e]indene-2,6-dione | C20H28O4
| | |
| 72 | 67517-02-6 | [4aS,(-)]-5α-[2-(2,5-Dihydro-2-oxofuran-3-yl)ethyl]-3,4,4aα,5,6,7,8,8a-octahydro-5,6β,8aα-trimethyl-1-naphthalenecarboxylic acid | [4aS,(-)]-5α-[2-(2,5-Dihydro-2-oxofuran-3-yl)ethyl]-3,4,4aα,5,6,7,8,8a-octahydro-5,6β,8aα-trimethyl-1-naphthalenecarboxylic acid | C20H28O4
| | |
| 73 | 114020-67-6 | 1-Naphthalenecarboxylic acid, 5-[2-(2,5-dihydro-2-oxo-3-furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-5,6,8a-trimethyl-, (4aR,5S,6R,8aR)- | 1-Naphthalenecarboxylic acid, 5-[2-(2,5-dihydro-2-oxo-3-furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-5,6,8a-trimethyl-, (4aR,5S,6R,8aR)- | C20H28O4
| | |
| 74 | 39931-89-0 | (5R,10R,13S,17S)-13-methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[5,10-epoxycyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol | (5R,10R,13S,17S)-13-methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[5,10-epoxycyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol | C20H28O4
| | |
| 75 | 89900-57-2 | (4R,4aS,10R,13aR)-2,3,4,4a,5,6,9,10,11,12,13,13a-Dodecahydro-4,13a-dimethyl-9,13-dioxo-7,10-methano-1H-benzocycloundecene-4-carboxylic acid methyl ester | (4R,4aS,10R,13aR)-2,3,4,4a,5,6,9,10,11,12,13,13a-Dodecahydro-4,13a-dimethyl-9,13-dioxo-7,10-methano-1H-benzocycloundecene-4-carboxylic acid methyl ester | C20H28O4
| | |
| 76 | 89354-63-2 | [1S,4aR,6R,10R,13aS,(-)]-1,2,3,4,4a,5,6,9,10,11,12,13a-Dodecahydro-1,6-dihydroxy-4,4,13a-trimethyl-9-methylene-10,7-metheno-7H-benzocycloundecene-8,13-dione | [1S,4aR,6R,10R,13aS,(-)]-1,2,3,4,4a,5,6,9,10,11,12,13a-Dodecahydro-1,6-dihydroxy-4,4,13a-trimethyl-9-methylene-10,7-metheno-7H-benzocycloundecene-8,13-dione | C20H28O4
| | |
| 77 | 90523-38-9 | (1aR,4E,8E,11S,11aR,14aS,14bR)-2,3,6,7,10,11,11a,12,14a,14b-Decahydro-11-hydroxy-1a,5,9-trimethyl-12-methyleneoxireno[13,14]cyclotetradeca[1,2-b]furan-13(1aH)-one | (1aR,4E,8E,11S,11aR,14aS,14bR)-2,3,6,7,10,11,11a,12,14a,14b-Decahydro-11-hydroxy-1a,5,9-trimethyl-12-methyleneoxireno[13,14]cyclotetradeca[1,2-b]furan-13(1aH)-one | C20H28O4
| | |