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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Amino-2-bromo-6-phenyl-5,8-dihydro-6H-pyrido[2,3-d]pyrimidin-7-one 181355-40-8 C13H11BrN4O
    4-Amino-2-bromo-6-phenyl-5,8-dihydro-6H-pyrido[2,3-d]pyrimidin-7-one
    —— 4-phenyl-5-(tetra-O-benzoyl-β-D-glucopyranosylimino)-3-thio-1,2,4-dithiazolidine 1033871-84-9 C42H32N2O9S3
    4-phenyl-5-(tetra-O-benzoyl-β-D-glucopyranosylimino)-3-thio-1,2,4-dithiazolidine
    —— 4-bromo-3,4-dichloro-1-(p-chlorophenylthio)-2-nitro-1-piperidino-1,3-butadiene 1133717-25-5 C15H14BrCl3N2O2S
    4-bromo-3,4-dichloro-1-(p-chlorophenylthio)-2-nitro-1-piperidino-1,3-butadiene
    —— 4-amino-3-iodo-2, 5-dimethylbenzonitrile 1613730-45-2 C9H9IN2
    4-amino-3-iodo-2, 5-dimethylbenzonitrile
    —— 4-bromo-2-(diethoxy-phosphoryl)-indan-2-carboxylic acid 932745-85-2 C14H18BrO5P
    4-bromo-2-(diethoxy-phosphoryl)-indan-2-carboxylic acid
    —— (4-acetamido-1-hydroxy-9,10-dioxoanthracen-2-yl) acetate 114067-32-2 C18H13NO6
    (4-acetamido-1-hydroxy-9,10-dioxoanthracen-2-yl) acetate
    —— (4R,5S)-4-benzyl-5-carboxy-1-(9-phenylfluoren-9-yl)-imidazolidin-2-one 128576-81-8 C30H24N2O3
    (4R,5S)-4-benzyl-5-carboxy-1-(9-phenylfluoren-9-yl)-imidazolidin-2-one
    —— 4-Methyl-1-phenyl-6-anilino-2,3-dihydro-1H-pyrrolo<2.3-b>pyridin 34600-84-5 C20H19N3
    4-Methyl-1-phenyl-6-anilino-2,3-dihydro-1H-pyrrolo<2.3-b>pyridin
    —— (4aS,10bR)-3,4,4a,10b-tetrahydro-4-[(S)-methoxyphenylacetyl]-9-methoxy-2H,5H-[1]benzothiopyrano[4,3-b]-1,4-oxazine 294637-79-9 C21H23NO4S
    (4aS,10bR)-3,4,4a,10b-tetrahydro-4-[(S)-methoxyphenylacetyl]-9-methoxy-2H,5H-[1]benzothiopyrano[4,3-b]-1,4-oxazine
    —— 4-fluorobenzylbis(dimethylglyoximato)cyanocobaltate(III)(1-) 42735-52-4 C16H20CoFN5O4
    4-fluorobenzylbis(dimethylglyoximato)cyanocobaltate(III)(1-)
    —— 4,7-Epoxy-megastigm-5(11)-en-9-on 130297-72-2 C13H20O2
    4,7-Epoxy-megastigm-5(11)-en-9-on
    —— 4-amidino-4'-[(4-carboxybutyl)aminocarbonyl]biphenyl hydrochloride 144528-98-3 C19H21N3O3*ClH
    4-amidino-4'-[(4-carboxybutyl)aminocarbonyl]biphenyl hydrochloride
    —— 4-amino-2-chloro-6,7-dihydroxyquinazoline 766532-98-3 C8H6ClN3O2
    4-amino-2-chloro-6,7-dihydroxyquinazoline
    —— 4-O-<β-D-triacetate-xylopyranosyl>-4-O-acetyl-3,3'-di-O-methylellagic acid 128508-37-2 C29H26O16
    4-O-<β-D-triacetate-xylopyranosyl>-4-O-acetyl-3,3'-di-O-methylellagic acid
    —— 4,4"-ethylenebis(benzophenone-3',4'-dicarboxylic acid) 42152-13-6 C32H22O10
    4,4"-ethylenebis(benzophenone-3',4'-dicarboxylic acid)
    —— 4-acetyl-1-(4-chlorophenyl)-3-hydroxy-5-(4-methylenecyclohexyl)-1,5-dihydro-2H-pyrrol-2-one 512177-85-4 C19H20ClNO3
    4-acetyl-1-(4-chlorophenyl)-3-hydroxy-5-(4-methylenecyclohexyl)-1,5-dihydro-2H-pyrrol-2-one
    —— 4-{2-cyclohexyl-2-[2-(2,6-dimethoxy-pyridin-3-yl)-5,6-difluoro-benzoimidazol-1-yl]-acetylamino}-3-fluoro-benzoic acid ethyl ester 1162675-59-3 C31H31F3N4O5
    4-{2-cyclohexyl-2-[2-(2,6-dimethoxy-pyridin-3-yl)-5,6-difluoro-benzoimidazol-1-yl]-acetylamino}-3-fluoro-benzoic acid ethyl ester
    —— 4'-Desoxy-1,3-ureidokanamycin A 71398-06-6 C19H34N4O11
    4'-Desoxy-1,3-ureidokanamycin A
    —— (4aS,8aS)-1-(3-Hydroxy-propyl)-hexahydro-quinoline-2,7-dione 70432-59-6 C12H19NO3
    (4aS,8aS)-1-(3-Hydroxy-propyl)-hexahydro-quinoline-2,7-dione
    —— (4R,5R)-4-Acetoxy-5-acetoxymethyl-2-methoxy-tetrahydro-furan-2-carboxylic acid methyl ester 73154-91-3 C12H18O8
    (4R,5R)-4-Acetoxy-5-acetoxymethyl-2-methoxy-tetrahydro-furan-2-carboxylic acid methyl ester
    —— (4R,5S)-4-(2-fluoro-benzyl)-2,2-dimethyl-5-(3-phenylcarbamoyl-pyridin-2-ylmethyl)-oxazolidine-3-carboxylic acid tert-butyl ester 923564-08-3 C30H34FN3O4
    (4R,5S)-4-(2-fluoro-benzyl)-2,2-dimethyl-5-(3-phenylcarbamoyl-pyridin-2-ylmethyl)-oxazolidine-3-carboxylic acid tert-butyl ester
    —— 4-Piperidinecarboxamide, 1-(ethylsulfonyl)-N-[4-(2-phenyldiazenyl)phenyl]- 1111473-82-5 C20H24N4O3S
    4-Piperidinecarboxamide, 1-(ethylsulfonyl)-N-[4-(2-phenyldiazenyl)phenyl]-
    —— 4-[2-(pyridin-3-yl)benzyl]-3-oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-5-carboxylic acid tert-butylamide 1384544-82-4 C26H27N3O3
    4-[2-(pyridin-3-yl)benzyl]-3-oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-5-carboxylic acid tert-butylamide
    —— (4S,5S)-4-heptyl-2,2-dimethyl-5-(prop-2-ynyl)-1,3-dioxolane 252188-70-8 C15H26O2
    (4S,5S)-4-heptyl-2,2-dimethyl-5-(prop-2-ynyl)-1,3-dioxolane
    —— 4-chloro-N'-[5-[(4-chlorophenoxy)methyl]-1,3,4-thiadiazol-2-yl]-3-fluoro-benzenesulfonohydrazide 1233337-36-4 C15H11Cl2FN4O3S2
    4-chloro-N'-[5-[(4-chlorophenoxy)methyl]-1,3,4-thiadiazol-2-yl]-3-fluoro-benzenesulfonohydrazide
    —— (4aR,10bR)-4-Ethyl-1,2,3,4,4a,5,6,10b-octahydro-benzo[f]quinoline-7,8-diol 1240556-83-5 C15H21NO2
    (4aR,10bR)-4-Ethyl-1,2,3,4,4a,5,6,10b-octahydro-benzo[f]quinoline-7,8-diol
    —— 4-(2-phenylsulfanylcyclohexyl)butan-2-one 103409-55-8 C16H22OS
    4-(2-phenylsulfanylcyclohexyl)butan-2-one
    —— 4,6-dioxo-1-phenyl-5-phenylthiocarbamoyl-2-thioxo-piperidine-3-carboxylic acid ethyl ester 861044-49-7 C21H18N2O4S2
    4,6-dioxo-1-phenyl-5-phenylthiocarbamoyl-2-thioxo-piperidine-3-carboxylic acid ethyl ester
    —— 4-(tert-butyldiphenylsilyloxy)-1,2-di<(benzyloxy)methyl>bicyclo<3.1.0>hexane 228394-14-7 C38H44O3Si
    4-(tert-butyldiphenylsilyloxy)-1,2-di<(benzyloxy)methyl>bicyclo<3.1.0>hexane
    —— 4-(4-Fluorophenyl)-2-(4-methanesulfonyl-benzenesulfonyl)-3-pyridin-4-yl-2H-isoxazol-5-one 476313-78-7 C21H15FN2O6S2
    4-(4-Fluorophenyl)-2-(4-methanesulfonyl-benzenesulfonyl)-3-pyridin-4-yl-2H-isoxazol-5-one
    —— 4-benzenesulfinyl-N-[2-(1-benzyl-1H-indol-3-yl)ethyl]butyramide 217964-19-7 C27H28N2O2S
    4-benzenesulfinyl-N-[2-(1-benzyl-1H-indol-3-yl)ethyl]butyramide
    —— 4-(1-ethyl-1,2-dimethyl-butyl)-aniline 855947-35-2 C14H23N
    4-(1-ethyl-1,2-dimethyl-butyl)-aniline
    —— 4,5-diacetoxy-2-fluorobenzoyl chloride 141555-18-2 C11H8ClFO5
    4,5-diacetoxy-2-fluorobenzoyl chloride
    —— 4-nitrophenyl (E)-3-((tetrahydrofuran-2-yl)oxy)but-2-enoate-2-d 1393642-31-3 C14H15NO6
    4-nitrophenyl (E)-3-((tetrahydrofuran-2-yl)oxy)but-2-enoate-2-d
    —— 4-{2-[(1E)-1-[(2-phenylphenyl)methylidene]-1H-inden-3-yl]ethyl}morpholine 1541244-38-5 C28H27NO
    4-{2-[(1E)-1-[(2-phenylphenyl)methylidene]-1H-inden-3-yl]ethyl}morpholine
    —— 4-Isopropyl-hexen-(2)-saeure-(6) 90646-53-0 C9H16O2
    4-Isopropyl-hexen-(2)-saeure-(6)
    —— 4-[5-(6-methoxy-benzo[b]thiophen-3-yl)-1H-pyrazol-3-ylamino]-benzenesulfonamide 369370-28-5 C18H16N4O3S2
    4-[5-(6-methoxy-benzo[b]thiophen-3-yl)-1H-pyrazol-3-ylamino]-benzenesulfonamide
    —— 4-(dimethylcarbamoyl)-6-(methylsulfonamido)quinoline 1-oxide 1292320-14-9 C13H15N3O4S
    4-(dimethylcarbamoyl)-6-(methylsulfonamido)quinoline 1-oxide
    —— 4-(2-phenyl-1H-indol-3-yl)-7-thioxo-3,4,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,5(1H,6H)-dione 1280728-25-7 C20H15N5O2S
    4-(2-phenyl-1H-indol-3-yl)-7-thioxo-3,4,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,5(1H,6H)-dione
    —— 4-{2-(4-fluorobenzylamino)-4-[(2-methanesulfonyl-ethyl)-methyl-amino]-pyrido[3,2-d]pyrimidin-6-yl}-benzamide 1036737-71-9 C25H25FN6O3S
    4-{2-(4-fluorobenzylamino)-4-[(2-methanesulfonyl-ethyl)-methyl-amino]-pyrido[3,2-d]pyrimidin-6-yl}-benzamide
    —— 4-(2,3-dihydro-benzofuran-5-yloxy)-phthalonitrile 945741-83-3 C16H10N2O2
    4-(2,3-dihydro-benzofuran-5-yloxy)-phthalonitrile
    —— 4-(5-bromo-1-benzofuran-2-carbonyl)-3-(4-methylphenyl)oxadiazol-3-ium-5-olate 93546-75-9 C18H11BrN2O4
    4-(5-bromo-1-benzofuran-2-carbonyl)-3-(4-methylphenyl)oxadiazol-3-ium-5-olate
    —— 4-O-acetyl-3-O-((triethyl)silyl)-D-fucal 154367-72-3 C14H26O4Si
    4-O-acetyl-3-O-((triethyl)silyl)-D-fucal
    —— 4-Benzenesulfonyl-3-benzhydryloxy-5H-furan-2-one 101481-77-0 C23H18O5S
    4-Benzenesulfonyl-3-benzhydryloxy-5H-furan-2-one
    —— 4-(4-chlorophenyl)-7,8,9,10-tetrahydro-6H-pyrido[1,2-a]azepin-2-one 1384983-36-1 C16H16ClNO
    4-(4-chlorophenyl)-7,8,9,10-tetrahydro-6H-pyrido[1,2-a]azepin-2-one
    —— 4-[(1-benzyl-4-oxo-1,4-dihydroquinazolin-2-yl)amino]benzoic acid 285556-36-7 C22H17N3O3
    4-[(1-benzyl-4-oxo-1,4-dihydroquinazolin-2-yl)amino]benzoic acid
    —— 4-{4-Oxo-6-[3-(3-trifluoromethyl-phenyl)-ureido]-3,4-dihydro-phthalazin-1-ylmethyl}-benzoic acid methyl ester 497254-68-9 C25H19F3N4O4
    4-{4-Oxo-6-[3-(3-trifluoromethyl-phenyl)-ureido]-3,4-dihydro-phthalazin-1-ylmethyl}-benzoic acid methyl ester
    —— 4-{5-(3,4-dimethylisooxazolyl)sulphamyl}-2'-hydroxy-5'-nitrobenzylidene aniline iron(III) complex 125649-87-8 C54H45FeN12O18S3
    4-{5-(3,4-dimethylisooxazolyl)sulphamyl}-2'-hydroxy-5'-nitrobenzylidene aniline iron(III) complex
    —— 4-amino-quinazoline-8-carboxylic acid (3-ethanesulfonylamino-2,6-difluoro-phenyl)-amide 1269420-41-8 C17H15F2N5O3S
    4-amino-quinazoline-8-carboxylic acid (3-ethanesulfonylamino-2,6-difluoro-phenyl)-amide
    —— 4-p-Methoxybenzyl-3-oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid 827589-63-9 C27H35NO4
    4-p-Methoxybenzyl-3-oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid