| 1 | 116-31-4 | 视黄醛 | retinal | C20H28O
| 醛;醛类;试剂;通用试剂;有机砌块;生物化学;食品添加剂;其他生化试剂;有机化工原料 | |
| 2 | 16915-71-2 | 烯孕醇 | cingestol | C20H28O
| | |
| 3 | 52-76-6 | 利奈孕醇 | lynestrenol | C20H28O
| 激素;原料药;医药原料;生物试剂;化学试剂;胞内受体.;相关类别：类固醇;药物杂质及中间体;医药原料药-科研原料 | |
| 4 | 514-85-2 | 视网醛 | 9-cis-Retinal | C20H28O
| | |
| 5 | 472-86-6 | 13-顺式-视网醛 | 13-cis-Retinal | C20H28O
| | |
| 6 | 79-80-1 | 3-Dehydro Retinol | 3-Dehydro Retinol | C20H28O
| | |
| 7 | 6890-94-4 | anhydrovitamin A(2) | anhydrovitamin A(2) | C20H28O
| | |
| 8 | | all-trans-Retinal-d5 | all-trans-Retinal-d5 | C20H28O
| | |
| 9 | 564-87-4 | 11-cis-Retinal (>65%) | 11-cis-Retinal (>65%) | C20H28O
| | |
| 10 | 29443-88-7 | 11,12—DHET | 11,12-Didehydro Retinol | C20H28O
| | |
| 11 | | 9-cis-Retinal-14,15-13C2 | 9-cis-Retinal-14,15-13C2 | C20H28O
| Intermediates & Fine Chemicals;Isotope Labelled Compounds;Pharmaceuticals;Retinoids | |
| 12 | | 13-cis-Retinal-14,15-13C2 | 13-cis-Retinal-14,15-13C2 | C20H28O
| Intermediates & Fine Chemicals;Isotope Labelled Compounds;Pharmaceuticals;Retinoids | |
| 13 | 2483831-71-4 | 维生素A醛(视网膜) | Retinal-19,19,19,20,20,20-d6 | C20H28O
| | |
| 14 | 846-45-7 | 17-Methylene-4-androsten-3-one | 17-Methylene-4-androsten-3-one | C20H28O
| | |
| 15 | 54024-21-4 | 13-乙基-11-亚甲基-4-雌烯-17-酮 | 13-Ethyl-11-methylenegon-4-en-17-one | C20H28O
| 皮质激素 | |
| 16 | | 13-ETHYL-11-METHYLENE-GON-4-ENE-17-ONE | 13-ETHYL-11-METHYLENE-GON-4-ENE-17-ONE | C20H28O
| | |
| 17 | 24035-50-5 | 13-Isopropylpodocarpa-8,11,13-trien-19-al | 13-Isopropylpodocarpa-8,11,13-trien-19-al | C20H28O
| | |
| 18 | | 3-Hydroxy-1-(4-tert-butylphenyl)adamantane | 3-Hydroxy-1-(4-tert-butylphenyl)adamantane | C20H28O
| | |
| 19 | 51269-18-2 | (9R,10S,17R)-19-Norpregna-4-ene-20-yne-17-ol | (9R,10S,17R)-19-Norpregna-4-ene-20-yne-17-ol | C20H28O
| | |
| 20 | 1971-59-1 | 17,17-dimethyl-18-norandrosta-4,13-dien-3-one | 17,17-dimethyl-18-norandrosta-4,13-dien-3-one | C20H28O
| | |
| 21 | 60834-67-5 | 1,3-dicyclopentyl-5,6,7,8-tetrahydro-2-naphthol | 1,3-dicyclopentyl-5,6,7,8-tetrahydro-2-naphthol | C20H28O
| | |
| 22 | 156140-04-4 | trans-4-(trans-4-(4-Methylphenyl)-cyclohexyl)-cyclohexancarbaldehyde | trans-4-(trans-4-(4-Methylphenyl)-cyclohexyl)-cyclohexancarbaldehyde | C20H28O
| | |
| 23 | 1070-48-0 | 2,4,6,8,10,14-Hexadecahexaenal, 3,7,11,15-tetramethyl-, (2E,4E,6E,8E,10E)- | 2,4,6,8,10,14-Hexadecahexaenal, 3,7,11,15-tetramethyl-, (2E,4E,6E,8E,10E)- | C20H28O
| | |
| 24 | 69686-71-1 | (2Z,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexenyl)nona-2,4,6,8-tetraenal | (2Z,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexenyl)nona-2,4,6,8-tetraenal | C20H28O
| | |
| 25 | 76210-23-6 | [11aS,(-)]-2,3,5,10,11,11aα-Hexahydro-1,1-dimethyl-8-(1-methylethyl)-1H-dibenzo[a,d]cyclohepten-7-ol | [11aS,(-)]-2,3,5,10,11,11aα-Hexahydro-1,1-dimethyl-8-(1-methylethyl)-1H-dibenzo[a,d]cyclohepten-7-ol | C20H28O
| | |
| 26 | 97403-22-0 | [11aS,(-)]-2,3,4,10,11,11aα-Hexahydro-1,1-dimethyl-8-(1-methylethyl)-1H-dibenzo[a,d]cycloheptene-7-ol | [11aS,(-)]-2,3,4,10,11,11aα-Hexahydro-1,1-dimethyl-8-(1-methylethyl)-1H-dibenzo[a,d]cycloheptene-7-ol | C20H28O
| | |