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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-isothiocyanato-3-methylbenzoic acid 1027513-23-0 C9H7NO2S
    4-isothiocyanato-3-methylbenzoic acid
    —— 4-{2-[3,5-dichloro-2-oxo-6-{[(2S)-2-propylpyrrolidin-1-yl]methyl}pyridin-1(2H)-yl]ethyl}benzohydrazide 1201823-46-2 C22H28Cl2N4O2
    4-{2-[3,5-dichloro-2-oxo-6-{[(2S)-2-propylpyrrolidin-1-yl]methyl}pyridin-1(2H)-yl]ethyl}benzohydrazide
    —— (4S,5R)-5-benzoyloxy-4,6-diacetoxyhexanal dimethyl acetal 139545-69-0 C19H26O8
    (4S,5R)-5-benzoyloxy-4,6-diacetoxyhexanal dimethyl acetal
    —— 4-ethoxy-4-methylamino-3-buten-2-one 200862-14-2 C7H13NO2
    4-ethoxy-4-methylamino-3-buten-2-one
    —— 4,7-bis(2-methylpropoxy)-9-N-phenyl-2-N-[(1R)-1-phenylethyl]-1,10-phenanthroline-2,9-dicarboxamide 1012370-47-6 C36H38N4O4
    4,7-bis(2-methylpropoxy)-9-N-phenyl-2-N-[(1R)-1-phenylethyl]-1,10-phenanthroline-2,9-dicarboxamide
    —— (4-chloro-7-methoxyquinolin-2-yl)methanol 1417436-61-3 C11H10ClNO2
    (4-chloro-7-methoxyquinolin-2-yl)methanol
    —— 4-[[5-(2-Chlorophenyl)-4-ethyl-1,2,4-triazol-3-yl]sulfanylmethyl]benzonitrile 5302-36-3 C18H15ClN4S
    4-[[5-(2-Chlorophenyl)-4-ethyl-1,2,4-triazol-3-yl]sulfanylmethyl]benzonitrile
    —— 4-isobutoxy-8-nitroquinoline-2-carboxylic acid phenylamide 877869-02-8 C20H19N3O4
    4-isobutoxy-8-nitroquinoline-2-carboxylic acid phenylamide
    —— 4-(methylthio)-7-methylpyrido<3',2':4,5>thieno<3,2-d>-1,2,3-triazine 76993-26-5 C10H8N4S2
    4-(methylthio)-7-methylpyrido<3',2':4,5>thieno<3,2-d>-1,2,3-triazine
    —— 4-(7-hydroxy-2-(methylthio)-4-oxo-4H-chromen-3-yl)benzoic acid 1324054-37-6 C17H12O5S
    4-(7-hydroxy-2-(methylthio)-4-oxo-4H-chromen-3-yl)benzoic acid
    —— 4-chloro-6-methoxy-7-((1-(2-methylsulphonylethyl)piperidin-4-yl)methoxy)quinazoline 264208-98-2 C18H24ClN3O4S
    4-chloro-6-methoxy-7-((1-(2-methylsulphonylethyl)piperidin-4-yl)methoxy)quinazoline
    —— (4Z)-4-(3-Iodo-4,5-dimethoxybenzylidene)-2-(methylthio)-1,3-thiazol-5(4H)-one —— C13H12INO3S2
    (4Z)-4-(3-Iodo-4,5-dimethoxybenzylidene)-2-(methylthio)-1,3-thiazol-5(4H)-one
    —— 4-Chlornaphtho<2.1.8-qra>naphthacen-7,12-chinon 36322-07-3 C24H11ClO2
    4-Chlornaphtho<2.1.8-qra>naphthacen-7,12-chinon
    —— 4-(benzyloxy)-5,6,7,8-tetrahydro-1-naphthalenecarboxaldehyde 475481-60-8 C18H18O2
    4-(benzyloxy)-5,6,7,8-tetrahydro-1-naphthalenecarboxaldehyde
    —— 4-[[3-[(3-Nitrophenyl)carbamoyl]phenyl]sulfonylamino]benzoic acid 300384-59-2 C20H15N3O7S
    4-[[3-[(3-Nitrophenyl)carbamoyl]phenyl]sulfonylamino]benzoic acid
    —— 4-(2,3-epoxypropoxy)-5,6,7,8-tetrahydronapthaldehyde 60964-06-9 C14H16O3
    4-(2,3-epoxypropoxy)-5,6,7,8-tetrahydronapthaldehyde
    —— 4,7-Bis(2-methylpropoxy)-9-(phenylcarbamoyl)-1,10-phenanthroline-2-carboxylic acid 877869-07-3 C28H29N3O5
    4,7-Bis(2-methylpropoxy)-9-(phenylcarbamoyl)-1,10-phenanthroline-2-carboxylic acid
    —— 4-chloro-4-pentenoic acid 58435-01-1 C5H7ClO2
    4-chloro-4-pentenoic acid
    —— 4-(2,4-dichlorophenyl)-N-phenyl-3-prop-2-enyl-1,3-thiazol-2-imine 1049982-97-9 C18H14Cl2N2S
    4-(2,4-dichlorophenyl)-N-phenyl-3-prop-2-enyl-1,3-thiazol-2-imine
    —— 4-methoxy-1,5-dimethylpyrrol-2(5H)-one 109826-82-6 C7H11NO2
    4-methoxy-1,5-dimethylpyrrol-2(5H)-one
    —— 4-Fluoro-1,2,3,4-tetrahydroisoquinoline 537033-79-7 C9H10FN
    4-Fluoro-1,2,3,4-tetrahydroisoquinoline
    —— 4-Benzoyl-2-methyl-isocarbostyril 10166-25-3 C17H13NO2
    4-Benzoyl-2-methyl-isocarbostyril
    —— 4-(2-bromoacetyl)-6-chloro-2,5,7,8-tetramethyl-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid ethyl ester 1145874-01-6 C17H21BrClNO4
    4-(2-bromoacetyl)-6-chloro-2,5,7,8-tetramethyl-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid ethyl ester
    —— 4,4'-bis(azidomethyl)diphenylmethane 199920-10-0 C15H14N6
    4,4'-bis(azidomethyl)diphenylmethane
    —— 4-(2,2-Dicyanoethenyl)-2-methoxyphenyl 4-chlorobenzoate 301810-25-3 C18H11ClN2O3
    4-(2,2-Dicyanoethenyl)-2-methoxyphenyl 4-chlorobenzoate
    —— 4-(2-Azido-6,7-dimethoxy-4-oxo-4H-quinazolin-3-yl)-butyric acid ethyl ester 247572-98-1 C16H19N5O5
    4-(2-Azido-6,7-dimethoxy-4-oxo-4H-quinazolin-3-yl)-butyric acid ethyl ester
    —— 4-hydrazino-7-methylpyrido[3',2':4,5]thieno[3,2-d]-1,2,3-triazine 76993-19-6 C9H8N6S
    4-hydrazino-7-methylpyrido[3',2':4,5]thieno[3,2-d]-1,2,3-triazine
    —— 4-(2-Chlorophenyl)-3-methoxycarbonyl-6-methyl-5-(N-phenylcarbamoyl)-2-[2-(2,4,5-trimethylimidazol-1-yl)ethoxymethyl]-1,4-dihydropyridine 115063-96-2 C30H33ClN4O4
    4-(2-Chlorophenyl)-3-methoxycarbonyl-6-methyl-5-(N-phenylcarbamoyl)-2-[2-(2,4,5-trimethylimidazol-1-yl)ethoxymethyl]-1,4-dihydropyridine
    —— 4-[4-(4-methylimidazol-1-yl)phenyl]-N-(2-methyl-4,5,6,7-tetrahydroindazol-3-yl)-1,3-thiazol-2-amine 1353570-24-7 C21H22N6S
    4-[4-(4-methylimidazol-1-yl)phenyl]-N-(2-methyl-4,5,6,7-tetrahydroindazol-3-yl)-1,3-thiazol-2-amine
    —— (4R,5R)-4-ammonio-5-fluorohexanoate 1422255-55-7 C6H12FNO2
    (4R,5R)-4-ammonio-5-fluorohexanoate
    —— 4-Mercapto-7-methylpyrido[3',2':4,5]thieno[3,2-d]-1,2,3-triazine 76993-25-4 C9H6N4S2
    4-Mercapto-7-methylpyrido[3',2':4,5]thieno[3,2-d]-1,2,3-triazine
    —— 4-(4-bromophenyl)-2,4-dioxo-3-(phenylhydrazinylidene)butanoic acid 401635-90-3 C16H11BrN2O4
    4-(4-bromophenyl)-2,4-dioxo-3-(phenylhydrazinylidene)butanoic acid
    —— 4-(benzo[d][2,3]dioxol-5-ylamino)-6-chloro-2-(methylthio)pyrimidin-5-carbonitrile 725237-24-1 C13H9ClN4O2S
    4-(benzo[d][2,3]dioxol-5-ylamino)-6-chloro-2-(methylthio)pyrimidin-5-carbonitrile
    —— 4-(2-{3,5-dichloro-6-[(3-ethylphenoxy)methyl]-2-oxopyridin-1(2H)-yl}ethyl)benzohydrazine 1091600-12-2 C23H23Cl2N3O3
    4-(2-{3,5-dichloro-6-[(3-ethylphenoxy)methyl]-2-oxopyridin-1(2H)-yl}ethyl)benzohydrazine
    —— 4-Ethyl-6-(1-piperazinyl)-2-(2-pyrazinyl)pyrimidine 1239786-72-1 C14H18N6
    4-Ethyl-6-(1-piperazinyl)-2-(2-pyrazinyl)pyrimidine
    —— 4-[2,2,3,3,4,4,5,5-Octafluoro-1-(4-hydroxyphenyl)pentyl]phenol 297137-44-1 C17H12F8O2
    4-[2,2,3,3,4,4,5,5-Octafluoro-1-(4-hydroxyphenyl)pentyl]phenol
    —— 4-chloro-7-methylpyrido<3',2':4,5>thieno<3,2-d>-1,2,3-triazine 76993-16-3 C9H5ClN4S
    4-chloro-7-methylpyrido<3',2':4,5>thieno<3,2-d>-1,2,3-triazine
    —— 4-trityloxybutyric acid 167103-78-8 C23H22O3
    4-trityloxybutyric acid
    —— (4S,5S)-benzyl 4-azido-5-fluorohexanoate 1422255-61-5 C13H16FN3O2
    (4S,5S)-benzyl 4-azido-5-fluorohexanoate
    —— 4-chloro-3-(2-chloro-ethyl)-8-methoxy-quinolin-2-ol 104295-92-3 C12H11Cl2NO2
    4-chloro-3-(2-chloro-ethyl)-8-methoxy-quinolin-2-ol
    —— (4E)-4-(cyclohexylimino)-2,2,3,3-tetramethylcyclobutanone 53398-61-1 C14H23NO
    (4E)-4-(cyclohexylimino)-2,2,3,3-tetramethylcyclobutanone
    —— (4S,5S)-4-ammonio-5-fluorohexanoate 1422255-54-6 C6H12FNO2
    (4S,5S)-4-ammonio-5-fluorohexanoate
    —— 4-(2,4-dichlorophenoxy)-N-(2-methylpropyl)butanamide 5347-81-9 C14H19Cl2NO2
    4-(2,4-dichlorophenoxy)-N-(2-methylpropyl)butanamide
    —— (4S,5R)-4-ammonio-5-fluorohexanoate 1422255-56-8 C6H12FNO2
    (4S,5R)-4-ammonio-5-fluorohexanoate
    —— (4E)-2-methyl hexenoic acid 118492-11-8 C7H12O2
    (4E)-2-methyl hexenoic acid
    —— 4-prop-2-enoxy-N-pyridin-2-ylbenzamide 423769-43-1 C15H14N2O2
    4-prop-2-enoxy-N-pyridin-2-ylbenzamide
    —— 4-[4-(3-dimethylamino-benzoylamino)-phenyl]-butyric acid ethyl ester 1184944-72-6 C21H26N2O3
    4-[4-(3-dimethylamino-benzoylamino)-phenyl]-butyric acid ethyl ester
    —— 4-methyl-5-(4-methyl-piperazine-1-carbonyl)-1H-pyrrole-2-carbaldehyde 346600-36-0 C12H17N3O2
    4-methyl-5-(4-methyl-piperazine-1-carbonyl)-1H-pyrrole-2-carbaldehyde
    —— 4-[[(E)-3-(5-chlorothiophen-2-yl)-3-oxoprop-1-enyl]amino]benzenesulfonamide 5707-85-7 C13H11ClN2O3S2
    4-[[(E)-3-(5-chlorothiophen-2-yl)-3-oxoprop-1-enyl]amino]benzenesulfonamide
    —— 4-Chloro-6-(cyclopropylamino)-2-methylsulfanylpyrimidine-5-carbonitrile 171511-21-0 C9H9ClN4S
    4-Chloro-6-(cyclopropylamino)-2-methylsulfanylpyrimidine-5-carbonitrile