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    中文名称 英文名称 CAS号 化学式
    21-羟基孕烯-1,4,16-三烯-3,11,20-三酮 21-Hydroxypregna-1,4,16-triene-3,11,20-trione 102447-86-9 C21H24O4
    21-羟基去氯美沙酮糠酸酯 17-furoate beclomethasone 148596-90-1 C27H31ClO7
    21-羟基-5B-孕甾烷-3,11,20-三酮 21-hydroxy-5β-pregnane-3,11,20-trione 10417-86-4 C21H30O4
    21-羟基-17-(1-氧代丙氧基)孕甾-4-烯-3,20-二酮 CB-03-01 19608-29-8 C24H34O5
    21-甲基-2,5,8,11,14,17,20-七氧杂二十二烷 21-Methyl-2,5,8,11,14,17,20-heptaoxadocosane 100258-43-3 C16H34O7
    21-氯达那唑 21-Chlorodanazol 121565-23-9 C22H26ClNO2
    21-氯-6-去氢达那唑 21-Chloro-6-dehydrodanazol 121565-24-0 C22H24ClNO2
    21-氨基-6,9,18-三(2-氨基乙基)-15-苄基-3-(1-羟基乙基)-12-(2-甲基丙基)-1,4,7,10,13,16,19-七氮杂环二十三烷-2,5,8,11,14,17,20-七酮硫酸盐 Cyclo(A2bu-A2bu-phe-leu-A2bu-A2bu-thr) 142563-40-4 C35H61N11O12S
    21-去氢皮质醇 11β,17α-dihydroxy-3,20-dioxopregn-4-en-21-al 14760-49-7 C21H28O5
    21-去氢去氧米松 21-Dehydro Desoxymetasone 1188271-71-7 C22H27FO4
    21-去乙酰氧基11-氧代地夫可特 3,11,20-Trioxo-Δ<sup>1.4</sup>-pregnadien<17α.16α-d>(2'-methyloxazolin) 13649-83-7 C23H27NO4
    21-二羟基孕甾-4-烯-3,20-二酮 9beta,11beta-Epoxy-17,21-dihydroxypregn-4-ene-3,20-dione 10072-97-6 C21H28O5
    21-二羟基-16&alpha-甲基孕甾-1,4,9(11)-三烯-3,20-二酮-21-醋酸酯 17α,21-dihydroxy-16α-methyl-1,4,9(11)-pregnatriene-3,20-dione 21-acetate 10106-41-9 C24H30O5
    21-乙酸肾上腺酮 corticosterone-21-acetate 1173-26-8 C23H32O5
    21-乙酰氧基去氯莫米松糠酸盐9,11-环氧化物 [(1S,2S,10S,11S,13R,14R,15S,17S)-14-(2-acetyloxyacetyl)-2,13,15-trimethyl-5-oxo-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-14-yl] furan-2-carboxylate 109183-56-4 C29H32O8
    21-乙酰氧基-9-氟-11β-羟基-16-甲基孕-1,4,16-三烯-3,20-二酮 9α-Fluoro-11β,21-dihydroxy-16-methylpregna-1,4,16-triene-3,20-dione-21-acetat 1526-69-8 C24H29FO5
    21-乙酰氧基-9-氟-11-羟基孕甾-1,4,16-三烯-3,20-酮 21-acetoxy-9α-fluoro-11β-hydroxy-pregna-1,4,16-triene-3,20-dione 1250-85-7 C23H27FO5
    21-乙酰氧基-3beta-羟基-5beta-孕甾烷-20-酮 UC1030 10147-45-2 C23H36O4
    21-[D(+)-生物素基氨基]-4,7,10,13,16,19-六氧杂二十一烷酸 21-[D(+)-Biotinylamino]-4,7,10,13,16,19-hexaoxaheneicosanoic acid 1352814-10-8 C25H45N3O10S
    21-[4-(2,6-二-1-吡咯烷基-4-嘧啶基)-1-哌嗪基]孕甾-1,4,9[11]-三烯-3,20-二酮马来酸盐 U-74389G maleate 153190-29-5 C41H54N6O6
    21-O-乙酰基6α-羟基皮质醇 21-Acetoxy-6β,11β,17α-trihydroxy-pregn-4-en-3,20-dion 13096-53-2 C23H32O7
    21-(氟-18F)-17-羟基孕甾-1,4-二烯-3,11,20-三酮 21-Fluoroprednisone 110558-69-5 C21H25FO4
    21-(4-(2,6-二-1-吡咯烷基-4-嘧啶基)-1-哌嗪基)-16-甲基孕甾-1,4,9(11)-三烯-3,20-二酮单甲烷磺酸盐 16α-Methyl-21-[4-[2,6-bis(pyrrolidino)-4-pyrimidyl]-1-piperazinyl]pregna-1,4,9(11)-triene-3,20-dione dimethane-sulfonate 110101-67-2 2CH4O3S*C38H52N6O2
    21-(2-((15-脱氧-16,17-二氢-19,24-环-20,24-开环阿替素-17-基)氧基)乙基)-7,20-环阿替-16-烯-15-醇 Pukeensine 144442-84-2 C44H64N2O3
    21,22-二氢番木鳖碱-10-酮 (20R)-19,20-dihydrostrychnine 15006-14-1 C21H24N2O2
    21(S)-羟基孟鲁司特 L 772146 184763-29-9 C35H36ClNO4S
    20β-二氢可的松 17α,20β,21-trihydroxy-pregn-4-ene-3,11-dione 116-59-6 C21H30O5
    20α-二氢孕烯醇酮-d53-硫酸钠 20alpha-Dihydro Pregnenolone 3-Sulfate Sodium Salt 131320-06-4 C21H33NaO5S
    20R-喜树碱 camptothecin 110351-92-3 C20H16N2O4
    20-羰基孕-5-烯-3-基氨基甲亚胺酸酯 20-Oxopregn-5-en-3-yl carbamimidate 1101-08-2 C22H34N2O2
    20-羰基孕-4-烯-17-基乙酸酯 Pregn-4-en-20-one, 17-hydroxy-, acetate 17794-79-5 C23H34O3
    20-羰基-12,20-二脱氧佛波醇13-苯基乙酸酯 ethyl (Z)-3-[3-ethoxy-4-hydroxy-5-(phenylsulfanylmethyl)phenyl]-2-methylsulfonylprop-2-enoate 107788-10-3 C21H24O6S2
    20-羟基榴花碱 20-hydroxyconopharyngine 16790-93-5 C23H30N2O5
    20-羟基-3,6,9,12,15,18-六氧杂二十碳-1-基十二酸酯 20-Hydroxy-3,6,9,12,15,18-hexaoxaicos-1-yl laurate 15901-19-6 C26H52O9
    20-氮杂胆固醇 20-azachloesterol 1973-59-7 C26H45NO
    20-氧代-20-脱氧佛波醇-12,13-二丁酸 20-Deoxy-20-oxophorbol 12,13-dibutyrate 100930-03-8 C28H38O8
    20-氧-12,20-二脱氧佛波醇13-异丁酸酯 20-Oxo-12,20-dideoxyphorbol 13-isobutyrate 123597-58-0 C24H32O6
    20-氟米勃酮 20-Fluoromibolerone 133083-42-8 C20H29FO2
    20-二氢氟米龙 20-Dihydrofluorometholone 114260-36-5 C22H31FO4
    20-乙酰氧基二十烷酸 20-acetoxyeicosanoic acid 104966-87-2 C22H42O4
    20-三氟花生四烯酸 20,20,20-Trifluoroarachidonic acid 115178-89-7 C20H29F3O2
    20-三氟白细胞三烯B4 20-trifluoro Leukotriene B4 115178-97-7 C20H29F3O4
    20-aLpha-二氢可的松 11β,17α,20β,21-tetrahydroxypregn-4-en-3-one 1719-79-5 C21H32O5
    20-1164四(3-氨基丙基)-1,3-丙二胺 N,N,N',N'-tetrakis(3-aminopropyl)-1,3-propylenediamine 121263-90-9 C15H38N6
    20-(3-羟基-3-甲基丁氧基)孕甾-5,7-二烯-1,3-二醇 1α,3β-dihydroxy-20(S)-(3-hydroxy-3-methylbutyloxy)pregna-5,7-diene 142785-61-3 C26H42O4
    20,26-二羟基蜕皮激素 20,26-dihydroxyecdysone 19458-46-9 C27H44O8
    20,24-环氧达玛烷-(3beta,12beta,24R)-12-O-alpha-L-吡喃鼠李糖基-25-羟基-3-O-alpha-(5'-O-乙酰基)-L-阿拉伯呋喃糖苷 Cyclocarioside A 146109-34-4 C43H72O13
    20,21-二去氢-(15alpha)-18-去甲柯楠-19-醛 (2R,12bS)-2-ethyl-1,2,6,7,12,12b-hexahydroindolo[2,3-a]quinolizine-3-carbaldehyde 136573-96-1 C18H20N2O
    20,20,20-三氟杂唑优三烯E4 omega-F3-Lte4 131074-64-1 C23H34F3NO5S
    20(R)-羟基泼尼松龙 (20R)-11β,17,20,21-tetrahydroxy-3-oxo-1,4-pregnadiene 15847-24-2 C21H30O5