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中文名称 英文名称 CAS号 化学式 结构式图片
—— 4-phenylhex-5-en-2-one —— C12H14O
4-phenylhex-5-en-2-one
—— 4-methylene-5,8-dioxonan-1-one —— C8H12O3
4-methylene-5,8-dioxonan-1-one
—— 4-[(2,7-dimethoxynaphthalen-1-yl)methyl]-5-methylene-2(5H)-furanone —— C18H16O4
4-[(2,7-dimethoxynaphthalen-1-yl)methyl]-5-methylene-2(5H)-furanone
—— 4-(4'-fluorophenylhydrazono)-5-trifluoromethyl-2,4-dihydropyrazol-3-one —— C10H6F4N4O
4-(4'-fluorophenylhydrazono)-5-trifluoromethyl-2,4-dihydropyrazol-3-one
—— 4-(3'-fluorophenylhydrazono)-5-trifluoromethyl-2,4-dihydropyrazol-3-one —— C10H6F4N4O
4-(3'-fluorophenylhydrazono)-5-trifluoromethyl-2,4-dihydropyrazol-3-one
—— 4-amino-7-(4-aminophenyl)-5-phenylpyrido<2,3-d>pyrimidine —— C19H15N5
4-amino-7-(4-aminophenyl)-5-phenylpyrido<2,3-d>pyrimidine
—— 4-amino-7-(4-aminophenyl)-5-phenylpyrido<2,3-d>pyrimidine-2(1H)-thione —— C19H15N5S
4-amino-7-(4-aminophenyl)-5-phenylpyrido<2,3-d>pyrimidine-2(1H)-thione
—— 4-Etoxy-5-[(Z)-isobutylidene]furan-2(5H)-one —— C10H14O3
4-Etoxy-5-[(Z)-isobutylidene]furan-2(5H)-one
—— 4-Ethoxy-2H,5H-1-benzazepin-2-one —— C12H13NO2
4-Ethoxy-2H,5H-1-benzazepin-2-one
—— 4-[5-O-(tert-butyldimethylsilyl)-2,3-O-isopropylidene-α-D-ribofuranosyl]-6,7-dichloroquinolin-2-one —— C23H31Cl2NO5Si
4-[5-O-(tert-butyldimethylsilyl)-2,3-O-isopropylidene-α-D-ribofuranosyl]-6,7-dichloroquinolin-2-one
—— 4-ethyl-2-methyl-3,5,6-triphenyl-2,5-dihydro-1,2,4-triazinium iodide —— C24H24N3*I
4-ethyl-2-methyl-3,5,6-triphenyl-2,5-dihydro-1,2,4-triazinium iodide
—— 4-Etoxy-5-(butan-2-ylidene)furan-2(5H)-one —— C10H14O3
4-Etoxy-5-(butan-2-ylidene)furan-2(5H)-one
—— 4-tert-Butoxycarbonylamino-3,3-dimethyl-1-[1-(R)-phenylethyl]-pyrrolidine —— C19H30N2O2
4-tert-Butoxycarbonylamino-3,3-dimethyl-1-[1-(R)-phenylethyl]-pyrrolidine
—— 4,5-bis((S)-3,7-dimethyloct-6-enylthio)-1,3-dithiole-2-thione —— C23H38S5
4,5-bis((S)-3,7-dimethyloct-6-enylthio)-1,3-dithiole-2-thione
—— 4-dimethylaminomethyleneaminofurazan-3-carboxamide —— C6H9N5O2
4-dimethylaminomethyleneaminofurazan-3-carboxamide
—— 4-[4-(2,5,8,11-tetraoxatridecan-13-yloxy)phenyl]butan-1-ol —— C19H32O6
4-[4-(2,5,8,11-tetraoxatridecan-13-yloxy)phenyl]butan-1-ol
—— 4-hexadecyloxyphenylbutanol —— C26H46O2
4-hexadecyloxyphenylbutanol
—— 4-ethoxyphenylbutanol —— C12H18O2
4-ethoxyphenylbutanol
—— 4-isopropoxyphenylbutanol —— C13H20O2
4-isopropoxyphenylbutanol
—— 4-Etoxy-5-[(Z)-ethylidene]furan-2(5H)-one —— C8H10O3
4-Etoxy-5-[(Z)-ethylidene]furan-2(5H)-one
—— (+/-)-4-Ethoxy-6-methyl-1,2,5,6-tetrahydro-2-pyridone —— C8H13NO2
(+/-)-4-Ethoxy-6-methyl-1,2,5,6-tetrahydro-2-pyridone
—— (4-phenyl-5-thioxo-4,5-dihydro-[1,3,4]thiadiazol-2-ylmercapto)-acetone —— C11H10N2OS3
(4-phenyl-5-thioxo-4,5-dihydro-[1,3,4]thiadiazol-2-ylmercapto)-acetone
—— 4-Ethoxy-2H,5H-1-benzoxepin-2-one —— C12H12O3
4-Ethoxy-2H,5H-1-benzoxepin-2-one
—— 4-ethyl-5-fluoro-6-(1-methyl-1H-tetrazol-5-yl-sulfanyl)pyrimidine —— C8H9FN6S
4-ethyl-5-fluoro-6-(1-methyl-1H-tetrazol-5-yl-sulfanyl)pyrimidine
—— {4-({[2-amino-4-(N-methylanilino)-1,3,5-triazin-6-yl]methyl}amino)benzoyl}-L-glutamic acid —— C23H25N7O5
{4-({[2-amino-4-(N-methylanilino)-1,3,5-triazin-6-yl]methyl}amino)benzoyl}-L-glutamic acid
—— 4-methoxy-2,3-dimethylcinnamic acid —— C12H14O3
4-methoxy-2,3-dimethylcinnamic acid
—— (+/-)-4-Methoxy-5-(2-methylsulfanylethyl)-2,5-dihydropyrrol-2-one —— C8H13NO2S
(+/-)-4-Methoxy-5-(2-methylsulfanylethyl)-2,5-dihydropyrrol-2-one
—— (+/-)-4'-dehydrocabenegrin A-I —— C21H20O5
(+/-)-4'-dehydrocabenegrin A-I
—— 4,4-bis-(4-(2-quinoxylmethoxy)phenyl)pentanoic acid —— C35H30N4O4
4,4-bis-(4-(2-quinoxylmethoxy)phenyl)pentanoic acid
—— 4,4-bis(4-(2-quinolylmethoxy)phenyl)-1-pentylideneaminoxyacetic acid —— C39H35N3O5
4,4-bis(4-(2-quinolylmethoxy)phenyl)-1-pentylideneaminoxyacetic acid
—— 4,4-bis(3-chloro-4-(2-quinolylmethoxy)phenyl)pentanoic acid —— C37H30Cl2N2O4
4,4-bis(3-chloro-4-(2-quinolylmethoxy)phenyl)pentanoic acid
—— 4,4-bis(4-(6-fluoro-2-quinolylmethoxy)phenyl)pentanoic acid —— C37H30F2N2O4
4,4-bis(4-(6-fluoro-2-quinolylmethoxy)phenyl)pentanoic acid
—— 4,4-bis(4-(1-methyl-2-benzimidazolylmethoxy)phenyl)pentanoic acid —— C35H34N4O4
4,4-bis(4-(1-methyl-2-benzimidazolylmethoxy)phenyl)pentanoic acid
—— 4,4-bis-(4-(2-pyridylmethoxy)phenyl)pentanoic acid —— C29H28N2O4
4,4-bis-(4-(2-pyridylmethoxy)phenyl)pentanoic acid
—— 4-(2,3-dichlorophenyl)but-3-yn-1-ol —— C10H8Cl2O
4-(2,3-dichlorophenyl)but-3-yn-1-ol
—— [4-(4-oxo-3,4-dihydroquinazolin-2-yl)piperazin-1-Yl]acetic acid —— C14H16N4O3
[4-(4-oxo-3,4-dihydroquinazolin-2-yl)piperazin-1-Yl]acetic acid
—— 4-[2-(1-benzhydryl-5-bromo-2-methyl-1H-indol-3-yl)ethoxy]benzoic acid —— C31H26BrNO3
4-[2-(1-benzhydryl-5-bromo-2-methyl-1H-indol-3-yl)ethoxy]benzoic acid
—— 4-Hydroxy-3-[2'-(triphenylphospharanylidene)-1'-oxoethyl]furan-2(5H)-one —— C24H19O4P
4-Hydroxy-3-[2'-(triphenylphospharanylidene)-1'-oxoethyl]furan-2(5H)-one
—— 4-[3]pyridyl-quinoline —— C14H10N2
4-[3]pyridyl-quinoline
—— 4-amino-5-(4-methoxyphenyl)-7-(4-nitrophenyl)pyrido[2,3-d]pyrimidine —— C20H15N5O3
4-amino-5-(4-methoxyphenyl)-7-(4-nitrophenyl)pyrido[2,3-d]pyrimidine
—— 4'-amino-3'-chloro-5'-(2,4-difluorophenoxy)acetophenone —— C14H10ClF2NO2
4'-amino-3'-chloro-5'-(2,4-difluorophenoxy)acetophenone
—— 4-[(2'E)-pentenyloxy]-1-oxaspiro[4.5]dec-3-en-2-one —— C14H20O3
4-[(2'E)-pentenyloxy]-1-oxaspiro[4.5]dec-3-en-2-one
—— 4-isopropyloxy-3-phenyl-6H-1,2-oxazin-2-one —— C13H13NO3
4-isopropyloxy-3-phenyl-6H-1,2-oxazin-2-one
—— 4-(aminophenylthio)-2-methylbutane-1,3-diene —— C12H15NS
4-(aminophenylthio)-2-methylbutane-1,3-diene
—— 4-allyloxy-1-oxaspiro[4.5]undec-3-en-2-one —— C13H18O3
4-allyloxy-1-oxaspiro[4.5]undec-3-en-2-one
—— 4,6:11,13-di(1,3-adamantano)cyclotetradeca-trans,trans-1,8-diene —— C28H40
4,6:11,13-di(1,3-adamantano)cyclotetradeca-trans,trans-1,8-diene
—— 4,6:11,13-di(1,3-adamantano)cyclotetradeca-cis,trans-1,8-diene —— C28H40
4,6:11,13-di(1,3-adamantano)cyclotetradeca-cis,trans-1,8-diene
—— 4"-O-[tans-β-(3,4-dimethoxyphenyl)acrylamido]carbamoyl-azithromycin 11,12-cyclic carbonate —— C51H82N4O17
4"-O-[tans-β-(3,4-dimethoxyphenyl)acrylamido]carbamoyl-azithromycin 11,12-cyclic carbonate
—— 4"-O-[trans-β-(3,4-dimethoxyphenyl)acrylamido]carbamoyl-11-O-(4-methoxybenzyl)carbamoyl-azithromycin —— C59H93N5O18
4"-O-[trans-β-(3,4-dimethoxyphenyl)acrylamido]carbamoyl-11-O-(4-methoxybenzyl)carbamoyl-azithromycin
—— 4"-O-[trans-β-(3,4-dimethoxyphenyl)acrylamido]carbamoyl-11-O-benzylcarbamoyl-azithromycin —— C58H91N5O17
4"-O-[trans-β-(3,4-dimethoxyphenyl)acrylamido]carbamoyl-11-O-benzylcarbamoyl-azithromycin