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中文名称 英文名称 CAS号 化学式 结构式图片
—— 4-chloro-17α-ethynylestradiol 137576-16-0 C20H23ClO2
4-chloro-17α-ethynylestradiol
—— 4-(benzimidazol-2-yl)-6-phenylpyrimidin-2-amine 132308-69-1 C17H13N5
4-(benzimidazol-2-yl)-6-phenylpyrimidin-2-amine
—— (4R,4aS,7S,7aR,12bS)-3-(cyclobutylmethyl)-9-methoxy-1,2,4,5,6,7,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,7-diol 90242-27-6 C22H29NO4
(4R,4aS,7S,7aR,12bS)-3-(cyclobutylmethyl)-9-methoxy-1,2,4,5,6,7,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,7-diol
—— (4S,6R)-6-[(3S,8S,9S,10R,13R,14S,17R)-10,13-Dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-hept-2-yn-4-ol 101915-71-3 C31H48O3
(4S,6R)-6-[(3S,8S,9S,10R,13R,14S,17R)-10,13-Dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-hept-2-yn-4-ol
—— (4S,6S)-4-Ethyl-6-[(S)-1-((3S,8S,9S,10R,13S,14S,17R)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-ethyl]-3-methyl-tetrahydro-pyran-2-one 106401-64-3 C29H46O3
(4S,6S)-4-Ethyl-6-[(S)-1-((3S,8S,9S,10R,13S,14S,17R)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-ethyl]-3-methyl-tetrahydro-pyran-2-one
—— 4-[1-Phenyl-meth-(Z)-ylidene]-2-((E)-styryl)-4H-oxazol-5-one 77012-49-8 C18H13NO2
4-[1-Phenyl-meth-(Z)-ylidene]-2-((E)-styryl)-4H-oxazol-5-one
—— 4-(2-pyrimidyl piperazine-1-yl) amide of betulonic acid 1352916-21-2 C38H56N4O2
4-(2-pyrimidyl piperazine-1-yl) amide of betulonic acid
—— (4S)-4-((3S,8R,10R,12R,14R,17S)-3,12-dihydroxy-4,4,8,10,14-pentamethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)-4-hydroxy-N-isobutylpentanamide 1609408-06-1 C31H55NO4
(4S)-4-((3S,8R,10R,12R,14R,17S)-3,12-dihydroxy-4,4,8,10,14-pentamethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)-4-hydroxy-N-isobutylpentanamide
—— 4-(4-(2-(2,4-dinitrophenyl)hydrazinyl)thiazol-2-ylamino)-N-(pyridin-2-yl)benzenesulfonamide 1359872-12-0 C20H16N8O6S2
4-(4-(2-(2,4-dinitrophenyl)hydrazinyl)thiazol-2-ylamino)-N-(pyridin-2-yl)benzenesulfonamide
—— 4-amino-5-fluoro-3-[6-(4-methyl-4-oxidopiperazin-1-yl)-1H-benzimidazol-2-yl]-1H-quinolin-2(1H)-one 668434-24-0 C21H21FN6O2
4-amino-5-fluoro-3-[6-(4-methyl-4-oxidopiperazin-1-yl)-1H-benzimidazol-2-yl]-1H-quinolin-2(1H)-one
—— 4-hydroxy-3-[5-(3-nitro-phenyl)-3-oxo-1-phenyl-pent-4-enyl]-chromen-2-one 1189759-41-8 C26H19NO6
4-hydroxy-3-[5-(3-nitro-phenyl)-3-oxo-1-phenyl-pent-4-enyl]-chromen-2-one
—— 4-(6-(2-amino-2-phenylacetamido)penicillanoyl)oxymethyl-5-(1,1-dioxopenicillanoyl)oxymethyl-1,3-dioxol-2-one hydrochloride 90749-09-0 C29H32N4O12S2*ClH
4-(6-(2-amino-2-phenylacetamido)penicillanoyl)oxymethyl-5-(1,1-dioxopenicillanoyl)oxymethyl-1,3-dioxol-2-one hydrochloride
—— 4-(2-hydroxy-4-nitrophenylimino)-2,6-di-tert-butyl-2,5-cyclohexadien-1-one 132668-93-0 C20H24N2O4
4-(2-hydroxy-4-nitrophenylimino)-2,6-di-tert-butyl-2,5-cyclohexadien-1-one
—— 4-(1,1,1-Trifluor-2-N-hydroximino)ethylbenzyl-N,N-dimethyldodecylammoniumchlorid 74160-12-6 C23H38F3N2O*Cl
4-(1,1,1-Trifluor-2-N-hydroximino)ethylbenzyl-N,N-dimethyldodecylammoniumchlorid
—— (4bR,7S,8aS,9R)-11-(cyclopropylmethyl)-3,8a-dihydroxy-7-isopentyl-8,8a,9,10-tetrahydro-5H-9,4b-(epiminoethano)phenanthren-6(7H)-one trifluoroacetate 1616556-81-0 C2HF3O2*C25H35NO3
(4bR,7S,8aS,9R)-11-(cyclopropylmethyl)-3,8a-dihydroxy-7-isopentyl-8,8a,9,10-tetrahydro-5H-9,4b-(epiminoethano)phenanthren-6(7H)-one trifluoroacetate
—— (+/-)-(4-chloro-2-{2-[2-(3-methylindol-1-yl)acetyl]-1,2,3,4-tetrahydroisoquinolin-1-yl}phenoxy)acetic acid 1355059-34-5 C28H25ClN2O4
(+/-)-(4-chloro-2-{2-[2-(3-methylindol-1-yl)acetyl]-1,2,3,4-tetrahydroisoquinolin-1-yl}phenoxy)acetic acid
—— 4-methyl-N-[2-tri(propan-2-yl)silylcyclopent-2-en-1-ylidene]benzenesulfonamide 1219156-17-8 C21H33NO2SSi
4-methyl-N-[2-tri(propan-2-yl)silylcyclopent-2-en-1-ylidene]benzenesulfonamide
—— [4-Oxo-thiazolidin-(2E)-ylidene]-thioacetic acid S-butyl ester 93089-84-0 C9H13NO2S2
[4-Oxo-thiazolidin-(2E)-ylidene]-thioacetic acid S-butyl ester
—— (4-Hydroxy-phenyl)-{2-oxo-3-[2-thiophen-2-yl-2-(2,2,2-trichloro-ethoxycarbonylamino)-acetylamino]-azetidin-1-yl}-acetic acid 59509-34-1 C20H18Cl3N3O7S
(4-Hydroxy-phenyl)-{2-oxo-3-[2-thiophen-2-yl-2-(2,2,2-trichloro-ethoxycarbonylamino)-acetylamino]-azetidin-1-yl}-acetic acid
—— 4-amino-6-(4-<i>tert</i>-butyl-phenyl)-3-ethyl-4<i>H</i>-[1,2,4]triazin-5-one 56735-31-0 C15H20N4O
4-amino-6-(4-<i>tert</i>-butyl-phenyl)-3-ethyl-4<i>H</i>-[1,2,4]triazin-5-one
—— 4-Amidinophenylessigsaeure-n-butylamidhydroiodid 79149-15-8 C13H19N3O*HI
4-Amidinophenylessigsaeure-n-butylamidhydroiodid
—— (-)-(4R,5S)-1,5-dimethyl-4-phenyl-3-<2'-(4-methoxyphenyl)-3'-(4-methoxy-2-O-methoxymethylphenyl)>propionyl-2-imidazolidinone 225090-00-6 C30H34N2O6
(-)-(4R,5S)-1,5-dimethyl-4-phenyl-3-<2'-(4-methoxyphenyl)-3'-(4-methoxy-2-O-methoxymethylphenyl)>propionyl-2-imidazolidinone
—— 4-chloro-2-[diisopropyl(1-methylindol-2-yl)silyl]phenyl trifluoromethanesulfonate 1167028-88-7 C22H25ClF3NO3SSi
4-chloro-2-[diisopropyl(1-methylindol-2-yl)silyl]phenyl trifluoromethanesulfonate
—— 4-iodo-3-(triisopropylsilylethynyl)isopropylbenzene 632331-72-7 C20H31ISi
4-iodo-3-(triisopropylsilylethynyl)isopropylbenzene
—— (((4-ethynylbenzyl)oxy)carbonyl)-L-tryptophan 1355358-71-2 C21H18N2O4
(((4-ethynylbenzyl)oxy)carbonyl)-L-tryptophan
—— 4-[(t-butoxycarbonyl)-amino]-4-phenylbutanol 558442-49-2 C15H23NO3
4-[(t-butoxycarbonyl)-amino]-4-phenylbutanol
—— 4-Dimethylamino-butane-1-sulfonic acid [4-(3-nitro-acridin-9-ylamino)-phenyl]-amide 80261-09-2 C25H27N5O4S
4-Dimethylamino-butane-1-sulfonic acid [4-(3-nitro-acridin-9-ylamino)-phenyl]-amide
—— [4-[3,5-di-tert-butyl-4-(2-hydroxy-ethoxy)-phenylsulfanyl]-4-(3,5-di-tert-butyl-4-hydroxy-phenylsulfanyl)-piperidin-1-yl]-acetic acid 1402048-95-6 C37H57NO5S2
[4-[3,5-di-tert-butyl-4-(2-hydroxy-ethoxy)-phenylsulfanyl]-4-(3,5-di-tert-butyl-4-hydroxy-phenylsulfanyl)-piperidin-1-yl]-acetic acid
—— 4-oxo-2-phenyl-4H-1-benzopyran-5,6,7-triyl phosphoric acid hexaethyl ester 1453477-41-2 C27H37O14P3
4-oxo-2-phenyl-4H-1-benzopyran-5,6,7-triyl phosphoric acid hexaethyl ester
—— 4-chloro-3-(9H-pyrimido[4,5-b]indol-7-yl)-N-[3-(trifluoromethyl)phenyl]benzamide trifluoroacetate 1036376-07-4 C2HF3O2*C24H14ClF3N4O
4-chloro-3-(9H-pyrimido[4,5-b]indol-7-yl)-N-[3-(trifluoromethyl)phenyl]benzamide trifluoroacetate
—— 4-(2-acetamido-2-deoxy-β-D-glucopyranosyloxy)-(Z)-but-2-enyloxycarbonyl-(3-(2-(2-(3-amino-propoxy)-ethoxy)-ethoxy)propyl)-amine 959924-10-8 C23H43N3O11
4-(2-acetamido-2-deoxy-β-D-glucopyranosyloxy)-(Z)-but-2-enyloxycarbonyl-(3-(2-(2-(3-amino-propoxy)-ethoxy)-ethoxy)propyl)-amine
—— 4-n-Butylthiopyrrole 120884-78-8 C8H13NS
4-n-Butylthiopyrrole
—— (4R,5R,6R)-4-Methyl-6-methylsulfanyl-3-[1-(4-nitro-benzyloxycarbonyl)-azetidin-3-ylsulfanyl]-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester 122137-67-1 C27H26N4O9S2
(4R,5R,6R)-4-Methyl-6-methylsulfanyl-3-[1-(4-nitro-benzyloxycarbonyl)-azetidin-3-ylsulfanyl]-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
—— 4,4''-Difluoro-5'-methyl-[1,1';3',1'']terphenyl-2'-ol 131003-14-0 C19H14F2O
4,4''-Difluoro-5'-methyl-[1,1';3',1'']terphenyl-2'-ol
—— 4,10-bis(2-cyclopenta-2,4-dien-1-yloxyethyl)-1,7-dioxa-4,10-diazacyclododecane;iron(2+) 211119-26-5 C22H32FeN2O4
4,10-bis(2-cyclopenta-2,4-dien-1-yloxyethyl)-1,7-dioxa-4,10-diazacyclododecane;iron(2+)
—— 4-Hydroxy-3-[[4-[[4-[(4-methoxy-2-sulfophenyl)diazenyl]-2,5-dimethylphenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-7-(4-methylanilino)naphthalene-2-sulfonic acid 1000061-46-0 C40H37N7O8S2
4-Hydroxy-3-[[4-[[4-[(4-methoxy-2-sulfophenyl)diazenyl]-2,5-dimethylphenyl]diazenyl]-2,5-dimethylphenyl]diazenyl]-7-(4-methylanilino)naphthalene-2-sulfonic acid
—— 4-Amino-1-[(2R,4S,5R,6R)-4,6-bis-(tert-butyl-dimethyl-silanyloxy)-spiro[4.4]non-2-yl]-1H-pyrimidin-2-one 849107-89-7 C25H47N3O3Si2
4-Amino-1-[(2R,4S,5R,6R)-4,6-bis-(tert-butyl-dimethyl-silanyloxy)-spiro[4.4]non-2-yl]-1H-pyrimidin-2-one
—— 4-(((1E,6E)-5-hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,4,6-trien-3-ylidene)amino)-N-(pyridin-2-yl)benzenesulfonamide 1443768-34-0 C32H29N3O7S
4-(((1E,6E)-5-hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,4,6-trien-3-ylidene)amino)-N-(pyridin-2-yl)benzenesulfonamide
—— [4-(2-Methyl-5-oxo-morpholin-4-yl)-phenyl]-acetic acid pentachlorophenyl ester 77440-53-0 C19H14Cl5NO4
[4-(2-Methyl-5-oxo-morpholin-4-yl)-phenyl]-acetic acid pentachlorophenyl ester
—— 4-<i>tert</i>-butylsulfanyl-2,4-dimethyl-nonan-3-one 49827-32-9 C15H30OS
4-<i>tert</i>-butylsulfanyl-2,4-dimethyl-nonan-3-one
—— 4-ethynyl-4-methyl-1,3-dioxan-2-thione 159682-92-5 C7H8O2S
4-ethynyl-4-methyl-1,3-dioxan-2-thione
—— 4-acetyl-5-(4-methylbenzoyl)-3-methyl-1,2-dioxolan-3-ol 260555-93-9 C14H16O5
4-acetyl-5-(4-methylbenzoyl)-3-methyl-1,2-dioxolan-3-ol
—— (4,5-dihydro-1<i>H</i>-imidazol-2-yl)-(1-propyl-cyclohexyl)-amine 68288-95-9 C12H23N3
(4,5-dihydro-1<i>H</i>-imidazol-2-yl)-(1-propyl-cyclohexyl)-amine
—— 4-(3-Diethylcarbamoyl-2,4,6-triiodo-phenylcarbamoyl)-butyric acid 24788-61-2 C16H19I3N2O4
4-(3-Diethylcarbamoyl-2,4,6-triiodo-phenylcarbamoyl)-butyric acid
—— 4-isopentyloxy-benzoic acid-(2-diethylamino-ethyl ester) 15788-94-0 C18H29NO3
4-isopentyloxy-benzoic acid-(2-diethylamino-ethyl ester)
—— 4-(4-methyl-piperazin-1-yl)-5,6,7,8,9,10-hexahydro-cycloocta[4,5]thieno[2,3-d]pyrimidine 47196-13-4 C17H24N4S
4-(4-methyl-piperazin-1-yl)-5,6,7,8,9,10-hexahydro-cycloocta[4,5]thieno[2,3-d]pyrimidine
—— 4-hydroxy-3,5-diiodo-difluoropyridine 41649-22-3 C5HF2I2NO
4-hydroxy-3,5-diiodo-difluoropyridine
—— (4-Phenylsulfanylphenyl)methyl methanesulfonate 898535-26-7 C14H14O3S2
(4-Phenylsulfanylphenyl)methyl methanesulfonate
—— 4-(5-isopropyl-3,8-dimethyl-azulen-1-yl)-2,6-di-furan-2-yl-pyranylium perchlorate 1338817-04-1 C28H25O3*ClO4
4-(5-isopropyl-3,8-dimethyl-azulen-1-yl)-2,6-di-furan-2-yl-pyranylium perchlorate
—— 4-(2,2-dicyanovinylamino)-N-(pyridin-2-yl)benzensulfonamide 1314583-26-0 C15H11N5O2S
4-(2,2-dicyanovinylamino)-N-(pyridin-2-yl)benzensulfonamide