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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(3,3-dimethylbutanamido)-3,5-difluoro-N-(thiazol-2-yl)benzamide —— C16H17F2N3O2S
    4-(3,3-dimethylbutanamido)-3,5-difluoro-N-(thiazol-2-yl)benzamide
    —— 4-(3-phenylprop-2-allyloxy)phthalonitrile —— C17H12N2O
    4-(3-phenylprop-2-allyloxy)phthalonitrile
    —— 4-[methyl(methylcarbamoyl)amino]benzoic acid —— C10H12N2O3
    4-[methyl(methylcarbamoyl)amino]benzoic acid
    —— 4-bromo-2-fluoro-N-(2-hydroxyethyl)benzenesulfonamide —— C8H9BrFNO3S
    4-bromo-2-fluoro-N-(2-hydroxyethyl)benzenesulfonamide
    —— 4-(3-amino-2-(butylsulfinyl)-6-(thiazol-2-yl)thieno[2,3-b]-pyridin-4-yl)benzoic Acid —— C21H19N3O3S3
    4-(3-amino-2-(butylsulfinyl)-6-(thiazol-2-yl)thieno[2,3-b]-pyridin-4-yl)benzoic Acid
    —— 4-(2-cyano-4-(4-((4-(4-(oxetan-3-yl)piperazin-1-yl)phenyl)amino)-1,3,5-triazin-2-yl)phenoxy)-N-methylpiperidine-1-carboxamide —— C30H35N9O3
    4-(2-cyano-4-(4-((4-(4-(oxetan-3-yl)piperazin-1-yl)phenyl)amino)-1,3,5-triazin-2-yl)phenoxy)-N-methylpiperidine-1-carboxamide
    —— 4,5,6,7-tetrahydrobenzo[b]thiophen-4-amine hydrochloride —— C8H11NS*ClH
    4,5,6,7-tetrahydrobenzo[b]thiophen-4-amine hydrochloride
    —— 4-(N)-docosahexaenoyl 2',2'-difluorodeoxycytidine —— C31H41F2N3O5
    4-(N)-docosahexaenoyl 2',2'-difluorodeoxycytidine
    —— 4-[(2-hydroxyethyl)amino]-2-isopropyl-5-phenylisothiazol-3(2H)-one 1,1-dioxide —— C14H18N2O4S
    4-[(2-hydroxyethyl)amino]-2-isopropyl-5-phenylisothiazol-3(2H)-one 1,1-dioxide
    —— 4-azido-1-((2R,4R,5R)-3,3-difluorotetrahydro-4-hydroxy-5-hydroxymethylfuran-2-yl)pyrimidin-2(1H)-one —— C9H9F2N5O4
    4-azido-1-((2R,4R,5R)-3,3-difluorotetrahydro-4-hydroxy-5-hydroxymethylfuran-2-yl)pyrimidin-2(1H)-one
    —— 4(RS)-(1(RS)-chlorobenzyl)-3(SR)-nitro-2(RS)-phenyltetrahydrofuran —— C17H16ClNO3
    4(RS)-(1(RS)-chlorobenzyl)-3(SR)-nitro-2(RS)-phenyltetrahydrofuran
    —— 4-N-3'-O-5'-O-tris(tert-butoxycarbonyl)gemcitabine —— C24H35F2N3O10
    4-N-3'-O-5'-O-tris(tert-butoxycarbonyl)gemcitabine
    —— 4-(4',6'-difluoro-1',3',5'-triazin-2'-ylamino)benzenesulfonamide —— C9H7F2N5O2S
    4-(4',6'-difluoro-1',3',5'-triazin-2'-ylamino)benzenesulfonamide
    —— 4-[4'-fluoro-6'-(2"-hydroxyethylamino)-1',3',5'-triazin-2'-ylamino]benzenesulfonamide —— C11H13FN6O3S
    4-[4'-fluoro-6'-(2"-hydroxyethylamino)-1',3',5'-triazin-2'-ylamino]benzenesulfonamide
    —— 4-N-[2-[2-[N-(1-methylpropyl),N-[1-(2-chlorophenyl)isoquinoline-3-carbonyl]amino]ethylaminocarbonyl]ethylcarbonyl]-gemcitabine —— C35H37ClF2N6O7
    4-N-[2-[2-[N-(1-methylpropyl),N-[1-(2-chlorophenyl)isoquinoline-3-carbonyl]amino]ethylaminocarbonyl]ethylcarbonyl]-gemcitabine
    —— 4'-chloromethyl-2'-deoxy-2',2'-difluorocytidine —— C10H12ClF2N3O4
    4'-chloromethyl-2'-deoxy-2',2'-difluorocytidine
    —— 4-(Ethoxycarbonylmethyl)-2-methyl-1,2,4-thiadiazolidine-3,5-dione —— C7H10N2O4S
    4-(Ethoxycarbonylmethyl)-2-methyl-1,2,4-thiadiazolidine-3,5-dione
    —— [4-(2,4-dimethoxy-phenyl)-5-oxo-4,5-dihydro-[1,2]dithiolo[4,3-b]pyrrol-6-yl]-carbamic acid phenyl ester —— C20H16N2O5S2
    [4-(2,4-dimethoxy-phenyl)-5-oxo-4,5-dihydro-[1,2]dithiolo[4,3-b]pyrrol-6-yl]-carbamic acid phenyl ester
    —— 4-N-(tert-butoxycarbonyl)gemcitabine —— C14H19F2N3O6
    4-N-(tert-butoxycarbonyl)gemcitabine
    —— 4-(2-fluoro-4-iodoanilino)-N-(2-hydroxyethyl)-1-methyl-6-oxo-1,6-dihydro-3-pyridinecarboxamide —— C15H15FIN3O3
    4-(2-fluoro-4-iodoanilino)-N-(2-hydroxyethyl)-1-methyl-6-oxo-1,6-dihydro-3-pyridinecarboxamide
    —— 4-methyl-5-(2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-1H-pyrrole-2-carboxylic acid (2-hydroxy-ethyl)-amide —— C17H17N3O3
    4-methyl-5-(2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-1H-pyrrole-2-carboxylic acid (2-hydroxy-ethyl)-amide
    —— 4-(3-chloro-1H-indole-6-sulfonyl)-1-(1-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-piperidin-4-ylmethyl)-6-oxopiperazine-2-carboxylic acid (2-hydroxyethyl)amide —— C26H32ClN7O6S
    4-(3-chloro-1H-indole-6-sulfonyl)-1-(1-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-piperidin-4-ylmethyl)-6-oxopiperazine-2-carboxylic acid (2-hydroxyethyl)amide
    —— 4-[(1,2-Diphenyl-1H-benzimidazol-6-yl)oxy]butyl-N-methylcarbamate —— C25H25N3O3
    4-[(1,2-Diphenyl-1H-benzimidazol-6-yl)oxy]butyl-N-methylcarbamate
    —— 4-(2-hydroxyethylamino)-1-(2-hydroxy-2-methylpropoxy)-2,2,6,6-tetramethylpiperidine —— C15H32N2O3
    4-(2-hydroxyethylamino)-1-(2-hydroxy-2-methylpropoxy)-2,2,6,6-tetramethylpiperidine
    —— (4S)-2-phenyl-thiazolidinecarboxylic acid —— C10H11NO2S
    (4S)-2-phenyl-thiazolidinecarboxylic acid
    —— 4-{1-[2-(4-Morpholinyl)ethyl]-5-oxo-2-pyrrolidinyl}phenyl methylcarbamate —— C18H25N3O4
    4-{1-[2-(4-Morpholinyl)ethyl]-5-oxo-2-pyrrolidinyl}phenyl methylcarbamate
    —— 4-(2,3,4,5,6-pentafluorophenoxy)piperidine hydrochloride —— C11H10F5NO*ClH
    4-(2,3,4,5,6-pentafluorophenoxy)piperidine hydrochloride
    —— 4-chloro-N-{2-[2-(3-hydroxyphenyl)-1-pyrrolidinyl]ethyl}benzamide —— C19H21ClN2O2
    4-chloro-N-{2-[2-(3-hydroxyphenyl)-1-pyrrolidinyl]ethyl}benzamide
    —— 4,5-bis<<(N-methylcarbamoyl)oxy>methyl>-1-methyl-2-(2-propylthio)imidazole —— C13H22N4O4S
    4,5-bis<<(N-methylcarbamoyl)oxy>methyl>-1-methyl-2-(2-propylthio)imidazole
    —— 4,5-bis<<(N-methylcarbamoyl)oxy>methyl>-1-methyl-2-(phenylthio)imidazole —— C16H20N4O4S
    4,5-bis<<(N-methylcarbamoyl)oxy>methyl>-1-methyl-2-(phenylthio)imidazole
    —— 4-diazo-N,N-dimethyl-4H-imidazole-5-sulfonamide —— C5H7N5O2S
    4-diazo-N,N-dimethyl-4H-imidazole-5-sulfonamide
    —— 4"-O-[3-[2-[(3-carboxy-7-chloro-1-cyclopropyl-4-oxo-1,4-dihydro-6-quinolinyl)amino]ethoxy]propionyl]-9(E)-methoximino erythromycin A —— C56H87ClN4O18
    4"-O-[3-[2-[(3-carboxy-7-chloro-1-cyclopropyl-4-oxo-1,4-dihydro-6-quinolinyl)amino]ethoxy]propionyl]-9(E)-methoximino erythromycin A
    —— 4-(2-methoxy-2-methyl-2,3-dihydro-6-benzopyranyloxy)aniline —— C17H19NO3
    4-(2-methoxy-2-methyl-2,3-dihydro-6-benzopyranyloxy)aniline
    —— 4''-O-benzyl-9-dehydro-3''-O-methyl-3-O-propionylleucomycin V N-oxide —— C46H69NO15
    4''-O-benzyl-9-dehydro-3''-O-methyl-3-O-propionylleucomycin V N-oxide
    —— 4'-deoxyerythromycin A —— C37H67NO12
    4'-deoxyerythromycin A
    —— 4''-O-butyl-9-dehydro-3''-O-methyl-3-O-propionylleucomycin V N-oxide —— C43H71NO15
    4''-O-butyl-9-dehydro-3''-O-methyl-3-O-propionylleucomycin V N-oxide
    —— 4-[4-(2-methyl-benzyloxy)-benzenesulfonyl]-2-methyl-3-(4-methyl-2,6,7-trioxa-bicyclo[2,2,2]oct-1-yl)-piperazine-1-carboxylic acid methylamide —— C27H35N3O7S
    4-[4-(2-methyl-benzyloxy)-benzenesulfonyl]-2-methyl-3-(4-methyl-2,6,7-trioxa-bicyclo[2,2,2]oct-1-yl)-piperazine-1-carboxylic acid methylamide
    —— 4-(4-acetylaminophenyl)-1,2-dihydro-1-ethyl-2-methylcarbamoyl-6,7-methylendioxyphthalazine —— C21H22N4O4
    4-(4-acetylaminophenyl)-1,2-dihydro-1-ethyl-2-methylcarbamoyl-6,7-methylendioxyphthalazine
    —— 4-(4-acetylaminophenyl)-1,2-dihydro-1-ethyl-6,7-methylendioxyphthalazine —— C19H19N3O3
    4-(4-acetylaminophenyl)-1,2-dihydro-1-ethyl-6,7-methylendioxyphthalazine
    —— 4-(5-fluoro-2-methoxyphenyl)-2-(1,2,3,3a,4,6a-hexahydrocyclopenta[c]pyrrol-5-yl)-1H-pyrrolo[2,3-b]pyridine —— C21H20FN3O
    4-(5-fluoro-2-methoxyphenyl)-2-(1,2,3,3a,4,6a-hexahydrocyclopenta[c]pyrrol-5-yl)-1H-pyrrolo[2,3-b]pyridine
    —— 4-(Ethoxycarbonylmethyl)-2-ethyl-1,2,4-thiadiazolidine-3,5-dione —— C8H12N2O4S
    4-(Ethoxycarbonylmethyl)-2-ethyl-1,2,4-thiadiazolidine-3,5-dione
    —— 4-({[7-(6-methoxypyridin-3-yl)-2-oxo-1-(2-propoxyethyl)-1,2-dihydropyrido[2,3-b]pyrazin-3 yl]amino}methyl)-N-methylpiperidine-1-carboxamide —— C26H35N7O4
    4-({[7-(6-methoxypyridin-3-yl)-2-oxo-1-(2-propoxyethyl)-1,2-dihydropyrido[2,3-b]pyrazin-3 yl]amino}methyl)-N-methylpiperidine-1-carboxamide
    —— 4-((4’-chloro-3-methoxy-3‘-methyl-[1,1‘-biphenyl]-4-yl)amino)-N-(isoxazol-3-yl)-N-(4-methoxybenzyl)benzenesulfonamide —— C31H28ClN3O5S
    4-((4’-chloro-3-methoxy-3‘-methyl-[1,1‘-biphenyl]-4-yl)amino)-N-(isoxazol-3-yl)-N-(4-methoxybenzyl)benzenesulfonamide
    —— 4-Methyl-flavylium-perchlorat —— C16H13O*ClO4
    4-Methyl-flavylium-perchlorat
    —— 4-acetyl-4-hydroxy-1-phenoxycarbonylpiperidine —— C14H17NO4
    4-acetyl-4-hydroxy-1-phenoxycarbonylpiperidine
    —— (4H,14H-6,8,15,17-tetramethyldibenzo{b,i}{1,4,8,11}tetra-azacyclotetradecinato)iron(II) tetrahydrofuran —— C4H8O*C22H22FeN4
    (4H,14H-6,8,15,17-tetramethyldibenzo{b,i}{1,4,8,11}tetra-azacyclotetradecinato)iron(II) tetrahydrofuran
    —— 4-[2-[4-(3-Bromo-8-chloro-6,11-dihydro-5H-benzo[5,6]-cyclohepta[1,2-b]pyridin-11-yl)-1-piperazinyl]-2-oxoethyl]-N-methyl-1-piperidinecarboxamide —— C27H33BrClN5O2
    4-[2-[4-(3-Bromo-8-chloro-6,11-dihydro-5H-benzo[5,6]-cyclohepta[1,2-b]pyridin-11-yl)-1-piperazinyl]-2-oxoethyl]-N-methyl-1-piperidinecarboxamide
    —— 4-nitrobenzyl (5R,6S)-3-(3-hydroxyphenyl)-7-oxo-6-{(1R)-1-[(trimethylsilyl)-oxy]-ethyl}-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate —— C25H28N2O7Si
    4-nitrobenzyl (5R,6S)-3-(3-hydroxyphenyl)-7-oxo-6-{(1R)-1-[(trimethylsilyl)-oxy]-ethyl}-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— 4-{4-amino-5-[3-fluoro-4-({[2-fluoro-5-(trifluoromethyl)-phenyl]carbamoyl}amino)phenyl]-6-(methoxymethyl)pyrrolo[2,1-f][1,2,4]-triazin-7-yl}-N-methylpiperidine-1-carboxamide —— C29H29F5N8O3
    4-{4-amino-5-[3-fluoro-4-({[2-fluoro-5-(trifluoromethyl)-phenyl]carbamoyl}amino)phenyl]-6-(methoxymethyl)pyrrolo[2,1-f][1,2,4]-triazin-7-yl}-N-methylpiperidine-1-carboxamide
    —— 4-(3-chloro-2-fluoroanilino)-7-methoxy-6-{[1-(N-methylcarbamoyl)piperidin-4-yl]oxy}quinazoline —— C22H23ClFN5O3
    4-(3-chloro-2-fluoroanilino)-7-methoxy-6-{[1-(N-methylcarbamoyl)piperidin-4-yl]oxy}quinazoline