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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-diethylamino-4-methyl-pentan-2-one 103906-95-2 C10H21NO
    4-diethylamino-4-methyl-pentan-2-one
    —— 4-anilino-3-sulfo-benzenediazonium-betaine 46988-73-2 C12H9N3O3S
    4-anilino-3-sulfo-benzenediazonium-betaine
    —— 4-dec-9-ynyl-1,3-dithiole-2-selone 140886-12-0 C13H18S2Se
    4-dec-9-ynyl-1,3-dithiole-2-selone
    —— 4-cyano-2-cyclopropylaminobenzenesulphonamide 1204572-97-3 C10H11N3O2S
    4-cyano-2-cyclopropylaminobenzenesulphonamide
    —— [4-(2,2-difluoro-2-phenylethoxy)phenyl]acetonitrile 1021156-44-4 C16H13F2NO
    [4-(2,2-difluoro-2-phenylethoxy)phenyl]acetonitrile
    —— (4-Cyclohexanecarbonyl-1-methyl-1H-pyrrol-2-yl)-cyclohexyl-methanone 112816-83-8 C19H27NO2
    (4-Cyclohexanecarbonyl-1-methyl-1H-pyrrol-2-yl)-cyclohexyl-methanone
    —— (4,4-dimethyl-1-phenylhexa-1,5-dien-3-yl)benzene 112528-91-3 C20H22
    (4,4-dimethyl-1-phenylhexa-1,5-dien-3-yl)benzene
    —— 4-allyl-5-tert-butylcatechol 77961-02-5 C13H18O2
    4-allyl-5-tert-butylcatechol
    —— 4-cyclopropyl-6-methoxycarbonyl-4H-1,2,4-benzothiadiazine 1,1-dioxide 1204574-97-9 C12H12N2O4S
    4-cyclopropyl-6-methoxycarbonyl-4H-1,2,4-benzothiadiazine 1,1-dioxide
    —— 4-{[4-(2-methanesulfonylethyl)-amino-6-(4-fluorophenyl)-pyrido[3,2-d]pyrimidin-2-ylamino]-methyl}-benzenesulfonamide 1036736-48-7 C23H23FN6O4S2
    4-{[4-(2-methanesulfonylethyl)-amino-6-(4-fluorophenyl)-pyrido[3,2-d]pyrimidin-2-ylamino]-methyl}-benzenesulfonamide
    —— (4-chlorophenyl)-1-(5-(4-nitrophenyl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)ethanone 932726-90-4 C23H18ClN3O3
    (4-chlorophenyl)-1-(5-(4-nitrophenyl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)ethanone
    —— 4-[6-[(3,4-dichlorobenzyl)amino]imidazo[1,2-b]pyridazin-3-yl]-N-[2-(dimethylamino)ethyl]benzamide 1033243-43-4 C24H24Cl2N6O
    4-[6-[(3,4-dichlorobenzyl)amino]imidazo[1,2-b]pyridazin-3-yl]-N-[2-(dimethylamino)ethyl]benzamide
    —— 4(S)-methyl-3(S)-<1(S)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-5(S)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>dihydro-2(3H)-furanone 112452-70-7 C33H48O5Si
    4(S)-methyl-3(S)-<1(S)-methyl-2-<(tert-butyldiphenylsilyl)oxy>ethyl>-5(S)-<1(R)-methyl-1-(2,2,5(S)-trimethyldioxan-4(S)-yl)methyl>dihydro-2(3H)-furanone
    —— (4S,5S)-N-benzyloxycarbonyl-5-hydroxy-4-isopropyl-1,3-oxazinan-6-one 937793-03-8 C15H19NO5
    (4S,5S)-N-benzyloxycarbonyl-5-hydroxy-4-isopropyl-1,3-oxazinan-6-one
    —— 4-(3-(pyrimidin-5-yl)isoxazol-5-yl)benzonitrile hydrochloride 1198353-89-7 C14H8N4O*ClH
    4-(3-(pyrimidin-5-yl)isoxazol-5-yl)benzonitrile hydrochloride
    —— 4-(4-hydroxyphenyl)-3-(1-methyl-1H-pyrazol-5-yl)thiophene-2-carbaldehyde oxime 1360604-85-8 C15H13N3O2S
    4-(4-hydroxyphenyl)-3-(1-methyl-1H-pyrazol-5-yl)thiophene-2-carbaldehyde oxime
    —— 4-[4-[(3-fluorophenyl)methoxy]phenoxy]-N-thiophen-3-ylpiperidine-1-carboxamide 1008766-69-5 C23H23FN2O3S
    4-[4-[(3-fluorophenyl)methoxy]phenoxy]-N-thiophen-3-ylpiperidine-1-carboxamide
    —— 4-ethyl-N-(4-fluorophenyl)-6-(octahydroquinolin-1(2H)-yl)pyrimidin-2-amine 1394804-82-0 C21H27FN4
    4-ethyl-N-(4-fluorophenyl)-6-(octahydroquinolin-1(2H)-yl)pyrimidin-2-amine
    —— 4-bromo-N2,N6-bis((S)-1-hydroxy-3,3-dimethylbutan-2-yl)pyridine-2,6-dicarboxamide 1130593-42-8 C19H30BrN3O4
    4-bromo-N2,N6-bis((S)-1-hydroxy-3,3-dimethylbutan-2-yl)pyridine-2,6-dicarboxamide
    —— 4-(2-pyridin-2-yl-thiophen-3-yl)-6-(5-pyridin-2-yl-thiophen-2-yl)-pyrimidine 54028-64-7 C22H14N4S2
    4-(2-pyridin-2-yl-thiophen-3-yl)-6-(5-pyridin-2-yl-thiophen-2-yl)-pyrimidine
    —— 4-((S)-2-((R)-3-(4-aminophenylsulfonyl)thiazolidine-4-carbonyloxy)-2-(3-(cyclopropylmethoxy)-4-(difluoromethoxy)-phenyl)ethyl)-3,5-dichloropyridine 1-oxide 1415999-91-5 C28H27Cl2F2N3O7S2
    4-((S)-2-((R)-3-(4-aminophenylsulfonyl)thiazolidine-4-carbonyloxy)-2-(3-(cyclopropylmethoxy)-4-(difluoromethoxy)-phenyl)ethyl)-3,5-dichloropyridine 1-oxide
    —— (4aS,6R,7S,8R,8aS)-2,2-di-tert-butyl-6-methyl-6-(2-methylallyl)-hexahydro-1,3,5-trioxa-2-sila-naphthalene-7,8-diol 943226-57-1 C19H36O5Si
    (4aS,6R,7S,8R,8aS)-2,2-di-tert-butyl-6-methyl-6-(2-methylallyl)-hexahydro-1,3,5-trioxa-2-sila-naphthalene-7,8-diol
    —— 4-[4-(trans-4-pentylcyclohexyl)-3-butenyl]phenol 136240-13-6 C21H32O
    4-[4-(trans-4-pentylcyclohexyl)-3-butenyl]phenol
    —— 4-Amino-9-[(1-benzylimidazol-2-yl)methyl]-3-[5-chloro-2-methyl-4-(3-methylsulfonylphenyl)phenyl]-1-oxa-9-azaspiro[4.5]dec-3-en-2-one 1033435-70-9 C33H33ClN4O4S
    4-Amino-9-[(1-benzylimidazol-2-yl)methyl]-3-[5-chloro-2-methyl-4-(3-methylsulfonylphenyl)phenyl]-1-oxa-9-azaspiro[4.5]dec-3-en-2-one
    —— 4-hydroxy-1-(diethylamino)-2-methyl-2-butene 3491-89-2 C9H19NO
    4-hydroxy-1-(diethylamino)-2-methyl-2-butene
    —— 4-phenyl-1H-imidazolium hexa-μ2-chloro-chloro-μ4-oxo-tris(4-phenyl-1H-imidazole-κN1)tetracopper(II) monohydrate 927691-67-6 C9H9N2*C27H24Cl7Cu4N6O*H2O
    4-phenyl-1H-imidazolium hexa-μ2-chloro-chloro-μ4-oxo-tris(4-phenyl-1H-imidazole-κN1)tetracopper(II) monohydrate
    —— 4-[5-(2,6-diethyl-phenyl)-1H-pyrrolo[2,3-c]pyridine-3-yl]-cyclohexane-carboxylic acid methyl ester 884321-25-9 C25H30N2O2
    4-[5-(2,6-diethyl-phenyl)-1H-pyrrolo[2,3-c]pyridine-3-yl]-cyclohexane-carboxylic acid methyl ester
    —— (4S,5R)-3-Acetyl-4-benzyl-5-phenylsulfanyl-oxazolidin-2-one 132836-64-7 C18H17NO3S
    (4S,5R)-3-Acetyl-4-benzyl-5-phenylsulfanyl-oxazolidin-2-one
    —— 4,4,4-Trichloro-N-(2-dimethylamino-ethyl)-3-hydroxy-butyramide 25580-11-4 C8H15Cl3N2O2
    4,4,4-Trichloro-N-(2-dimethylamino-ethyl)-3-hydroxy-butyramide
    —— 4-(ethyl-13C)-3,5-dimethyl-1,5-dihydro-2H-pyrrol-2-one 1174670-05-3 C8H13NO
    4-(ethyl-13C)-3,5-dimethyl-1,5-dihydro-2H-pyrrol-2-one
    —— [(4R,5S)-3-(3,5-dichloro-2,4,6-trimethylphenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-4-yl]methanol 134165-43-8 C14H14Cl2F3NO2
    [(4R,5S)-3-(3,5-dichloro-2,4,6-trimethylphenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-4-yl]methanol
    —— 4-Amino-6-chloro-2-(1-(3,7-dichloro-1H-pyrrolo[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine 1102066-82-9 C13H10Cl3N5S
    4-Amino-6-chloro-2-(1-(3,7-dichloro-1H-pyrrolo[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine
    —— 4-acetoxy-3-methyl-5<i>H</i>-furan-2-one 74118-34-6 C7H8O4
    4-acetoxy-3-methyl-5<i>H</i>-furan-2-one
    —— 4-hydroxy-3-[1-phenyl-5-(2-pyridyl)-4,5-dihydro-1H-3-pyrazolyl]-2H-chromen-2-one 1590355-79-5 C23H17N3O3
    4-hydroxy-3-[1-phenyl-5-(2-pyridyl)-4,5-dihydro-1H-3-pyrazolyl]-2H-chromen-2-one
    —— (4aS,7S,7aS)-7-Benzyloxymethyl-4,4a,7,7a-tetrahydro-1H-cyclopenta[c]pyran-3-one 141602-72-4 C16H18O3
    (4aS,7S,7aS)-7-Benzyloxymethyl-4,4a,7,7a-tetrahydro-1H-cyclopenta[c]pyran-3-one
    —— 4-bromo-N-[(2S,5S,6S)-5-[tert-butyl(dimethyl)silyl]oxy-6-methyloxan-2-yl]-N-[(4S)-1,4-dimethyl-2,5-dioxopyrrolidin-3-yl]-3-oxobutanamide 115133-34-1 C22H37BrN2O6Si
    4-bromo-N-[(2S,5S,6S)-5-[tert-butyl(dimethyl)silyl]oxy-6-methyloxan-2-yl]-N-[(4S)-1,4-dimethyl-2,5-dioxopyrrolidin-3-yl]-3-oxobutanamide
    —— 4-nitro-2-(2'-oxo-3'-oxacyclopentylidenemethyl)chlorobenzene 127553-79-1 C11H8ClNO4
    4-nitro-2-(2'-oxo-3'-oxacyclopentylidenemethyl)chlorobenzene
    —— 4-isopropenyl-2-methyl-anisole 26850-73-7 C11H14O
    4-isopropenyl-2-methyl-anisole
    —— 4-[N-(2-dimethylaminoethyl)sulfamoyl]phenethyl bromide 811807-03-1 C12H19BrN2O2S
    4-[N-(2-dimethylaminoethyl)sulfamoyl]phenethyl bromide
    —— 4-(5-Bromo-4-chloro-2-ethylthiophen-3-yl)-1,4-dihydropyrimidine;hydrochloride 1449703-50-7 C10H10BrClN2S*ClH
    4-(5-Bromo-4-chloro-2-ethylthiophen-3-yl)-1,4-dihydropyrimidine;hydrochloride
    —— 4-[(4-Methylisoquinolin-3-yl)-[(2-phenoxyphenyl)methyl]sulfamoyl]benzoic acid 1400699-03-7 C30H24N2O5S
    4-[(4-Methylisoquinolin-3-yl)-[(2-phenoxyphenyl)methyl]sulfamoyl]benzoic acid
    —— 4-(4-hydroxyphenyl)hydrazono-1-(5-indanyl)-3-methyl-5-pyrazolone 1260227-79-9 C19H18N4O2
    4-(4-hydroxyphenyl)hydrazono-1-(5-indanyl)-3-methyl-5-pyrazolone
    —— (4S,5R)-N-(3-{4-[3-(acetylamino) phenyl]-1-piperidinyl}propyl)-4-(3,4-difluorophenyl)-5-methyl-2-oxo-1,3-oxazolidine-3-carboxamide 387826-89-3 C27H32F2N4O4
    (4S,5R)-N-(3-{4-[3-(acetylamino) phenyl]-1-piperidinyl}propyl)-4-(3,4-difluorophenyl)-5-methyl-2-oxo-1,3-oxazolidine-3-carboxamide
    —— 4-[ethoxy(methoxy)phosphinothioyl]-5-methyl-1,5-dihydro-1,2,4-triazin-6-one 135492-36-3 C7H14N3O3PS
    4-[ethoxy(methoxy)phosphinothioyl]-5-methyl-1,5-dihydro-1,2,4-triazin-6-one
    —— 4-((2-(diethylamino)ethyl)thio)-2-morpholinocyclopent-2-en-1-one 1465003-55-7 C15H26N2O2S
    4-((2-(diethylamino)ethyl)thio)-2-morpholinocyclopent-2-en-1-one
    —— 4-(2-chlorophenyl)-1-({2-[(1S,2S)-2-hydroxycyclohexyl]-3-oxo-2,3-dihydro-1H-benzo[e]isoindol-5-yl}methyl)piperidine-4-carbonitrile 1414366-59-8 C31H32ClN3O2
    4-(2-chlorophenyl)-1-({2-[(1S,2S)-2-hydroxycyclohexyl]-3-oxo-2,3-dihydro-1H-benzo[e]isoindol-5-yl}methyl)piperidine-4-carbonitrile
    —— 4-ethoxy-2,3-difluoro-4'-hydroxybiphenyl 909279-89-6 C14H12F2O2
    4-ethoxy-2,3-difluoro-4'-hydroxybiphenyl
    —— 4-(5-(4-(5-phenyloxazole-2-carboxamido)phenyl)thiazol-2-yl)cyclohexanecarboxylic acid 1363361-82-3 C26H23N3O4S
    4-(5-(4-(5-phenyloxazole-2-carboxamido)phenyl)thiazol-2-yl)cyclohexanecarboxylic acid
    —— 4-Keto-2-methyl-6-propenyl-4H-pyran-5-carbonsaeure 53007-51-5 C10H10O4
    4-Keto-2-methyl-6-propenyl-4H-pyran-5-carbonsaeure
    —— 4,4'-dimethyl-3,3'-bipyridine-2,2',5,5',6,6'-hexaone 19365-28-7 C12H8N2O6
    4,4'-dimethyl-3,3'-bipyridine-2,2',5,5',6,6'-hexaone