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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Methoxycarbonimidoylmethyl-benzimidic acid methyl ester; hydrochloride 76284-84-9 C11H14N2O2*2ClH
    4-Methoxycarbonimidoylmethyl-benzimidic acid methyl ester; hydrochloride
    —— 4-[3-(quinolin-8-ylamino)-2-methylpropenyl]-N-hydroxy-benzamide 878397-22-9 C20H19N3O2
    4-[3-(quinolin-8-ylamino)-2-methylpropenyl]-N-hydroxy-benzamide
    —— 4-trimethylsiloxy-2-benzyloxymethyl-furan 136015-12-8 C15H20O3Si
    4-trimethylsiloxy-2-benzyloxymethyl-furan
    —— 4-benzylidene-5-methyl-2-(2-methylsulfanyl-benzothiazol-6-yl)-2,4-dihydro-pyrazol-3-one 101895-86-7 C19H15N3OS2
    4-benzylidene-5-methyl-2-(2-methylsulfanyl-benzothiazol-6-yl)-2,4-dihydro-pyrazol-3-one
    —— 4-Ethynyl-6-(2-methylphenyl)-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindole 1578269-25-6 C24H21NO2S
    4-Ethynyl-6-(2-methylphenyl)-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindole
    —— 4-O-<(8'S)-7'-<N-(benzyloxycarbonyl)methylamino>-2',7'-dideoxy-8'-O-methyl-2'-(tosylamino)-D-threo-α-D-gluco-octodialdo-1',5':8',4'-dipyranos-1'-yl>-5,6-O-cyclohexylidene-1,3-di-N-tosyl-2-deoxystreptamine 88970-39-2 C51H64N4O16S3
    4-O-<(8'S)-7'-<N-(benzyloxycarbonyl)methylamino>-2',7'-dideoxy-8'-O-methyl-2'-(tosylamino)-D-threo-α-D-gluco-octodialdo-1',5':8',4'-dipyranos-1'-yl>-5,6-O-cyclohexylidene-1,3-di-N-tosyl-2-deoxystreptamine
    —— 4-(benzimidazol-2-ylsulfanyl)methyl-1-(4-phthalimidobutyl)-1,2,3-triazole 1310539-79-7 C22H20N6O2S
    4-(benzimidazol-2-ylsulfanyl)methyl-1-(4-phthalimidobutyl)-1,2,3-triazole
    —— (+-)-(4-amino-phenoxy)-acetic acid-(1,2t,5c-trimethyl-4-phenyl-[4r]piperidyl ester) 113652-10-1 C22H28N2O3
    (+-)-(4-amino-phenoxy)-acetic acid-(1,2t,5c-trimethyl-4-phenyl-[4r]piperidyl ester)
    —— 4-(2,3-difluorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydro-3-pyridinecarboxylic acid 864083-17-0 C13H11F2NO3
    4-(2,3-difluorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydro-3-pyridinecarboxylic acid
    —— (4-cyclopentyl-piperazin-1-yl)-[1-(propane-1-sulfonyl)-1H-benzoimidazol-5-yl]-methanone 1044810-05-0 C20H28N4O3S
    (4-cyclopentyl-piperazin-1-yl)-[1-(propane-1-sulfonyl)-1H-benzoimidazol-5-yl]-methanone
    —— 4-benzylamino-2-phenyl-5-[1,2,3]triazol-1-yl-2<i>H</i>-pyridazin-3-one 38119-66-3 C19H16N6O
    4-benzylamino-2-phenyl-5-[1,2,3]triazol-1-yl-2<i>H</i>-pyridazin-3-one
    —— 4-Chloro-5-(3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-ylcarbamoyl)-2-fluoro-benzenesulfonyl chloride 866764-23-0 C15H9Cl2FN2O3S2
    4-Chloro-5-(3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-ylcarbamoyl)-2-fluoro-benzenesulfonyl chloride
    —— [4-[2-(4-bromophenyl)indolizine-3-carbonyl]-2-chlorophenyl] 4-methylbenzenesulfonate 88273-94-3 C28H19BrClNO4S
    [4-[2-(4-bromophenyl)indolizine-3-carbonyl]-2-chlorophenyl] 4-methylbenzenesulfonate
    —— 4,5-Diamino-6-Chlor-2-styryl-pyrimidin 15579-79-0 C12H11ClN4
    4,5-Diamino-6-Chlor-2-styryl-pyrimidin
    —— 4-[5-(5-chloro-1-methyl-6-oxo-1,6-dihydro-pyridin-3-yl)-4-(4-chloro-2-methyl-phenyl)-3-isopropyl-6-oxo-5,6-dihydro-4H-pyrrolo[3,4-c]pyrazol-2-yl]-5-methoxy-pyridine-2-carbonitrile 1441757-90-9 C28H24Cl2N6O3
    4-[5-(5-chloro-1-methyl-6-oxo-1,6-dihydro-pyridin-3-yl)-4-(4-chloro-2-methyl-phenyl)-3-isopropyl-6-oxo-5,6-dihydro-4H-pyrrolo[3,4-c]pyrazol-2-yl]-5-methoxy-pyridine-2-carbonitrile
    —— 4-Cyano-4-ethyloctanoic acid 58474-95-6 C11H19NO2
    4-Cyano-4-ethyloctanoic acid
    —— 4',8-Diethyl-3-methoxyspiro[7,8,9,10-tetrahydrobenzo[c]chromene-6,1'-cyclohexane]-4-ol 1384833-35-5 C23H32O3
    4',8-Diethyl-3-methoxyspiro[7,8,9,10-tetrahydrobenzo[c]chromene-6,1'-cyclohexane]-4-ol
    —— 4-amino-N-[{4-[(1-(tert-butoxycarbonyl)-3-azetidinyl)methyl]-2-morpholinyl}-methyl]-5-chloro-2-ethoxybenzamide 1184658-84-1 C23H35ClN4O5
    4-amino-N-[{4-[(1-(tert-butoxycarbonyl)-3-azetidinyl)methyl]-2-morpholinyl}-methyl]-5-chloro-2-ethoxybenzamide
    —— 4-(Cyclohexylamino)-1-(2-ethoxyphenoxy)butan-2-ol 59747-87-4 C18H29NO3
    4-(Cyclohexylamino)-1-(2-ethoxyphenoxy)butan-2-ol
    —— (4-fluorophenyl)(1-methyl-1H-imidazol-2-yl)(5-phenyl-1,3,4-oxadiazol-2-yl)methanol 1085298-06-1 C19H15FN4O2
    (4-fluorophenyl)(1-methyl-1H-imidazol-2-yl)(5-phenyl-1,3,4-oxadiazol-2-yl)methanol
    —— 4-(2,5-dimethylphenyl)benzene-1,3-dicarboxylic acid 863103-45-1 C16H14O4
    4-(2,5-dimethylphenyl)benzene-1,3-dicarboxylic acid
    —— (+/-)-4-tert-amyl-2-cyclohexenone 1133716-97-8 C11H18O
    (+/-)-4-tert-amyl-2-cyclohexenone
    —— 4,5-diCl IMD salt 509077-78-5 C5H7Cl2N2*I
    4,5-diCl IMD salt
    —— 4-Fluor-2-naphthylsulfonylhydrazin 67694-03-5 C10H9FN2O2S
    4-Fluor-2-naphthylsulfonylhydrazin
    —— 4-Methyl-6-(naphthalen-1-ylmethoxy)-2-propyl-pyrimidine 66743-27-9 C19H20N2O
    4-Methyl-6-(naphthalen-1-ylmethoxy)-2-propyl-pyrimidine
    —— 4-Ethyl-1-(p-methoxybenzyl)-3-(2-benzothiazolyl)-1,2,4-triazolin-5-thion 37546-70-6 C19H18N4OS2
    4-Ethyl-1-(p-methoxybenzyl)-3-(2-benzothiazolyl)-1,2,4-triazolin-5-thion
    —— 4,6-diphenyl-1-<i>m</i>-tolyl-1,4,4a,7a-tetrahydro-pyrrolo[3,4-<i>b</i>]pyridine-5,7-dione 38477-71-3 C26H22N2O2
    4,6-diphenyl-1-<i>m</i>-tolyl-1,4,4a,7a-tetrahydro-pyrrolo[3,4-<i>b</i>]pyridine-5,7-dione
    —— 4-amino-<i>N</i>-(5-bromo-2-methoxy-pyrimidin-4-yl)-benzenesulfonamide 36082-81-2 C11H11BrN4O3S
    4-amino-<i>N</i>-(5-bromo-2-methoxy-pyrimidin-4-yl)-benzenesulfonamide
    —— 4-(1-n-Propyloxycarbonyl-4-piperidyl)pyridin 31251-20-4 C14H20N2O2
    4-(1-n-Propyloxycarbonyl-4-piperidyl)pyridin
    —— (4-bromo-phenyl)-(1-methoxy-6-nitro-acridin-9-yl)-amine 37386-40-6 C20H14BrN3O3
    (4-bromo-phenyl)-(1-methoxy-6-nitro-acridin-9-yl)-amine
    —— 4-(2-hydroxy-1,2-diphenyl-ethylidene)-2-phenyl-5-pyridin-3-yl-2,4-dihydro-pyrazol-3-one 40700-58-1 C28H21N3O2
    4-(2-hydroxy-1,2-diphenyl-ethylidene)-2-phenyl-5-pyridin-3-yl-2,4-dihydro-pyrazol-3-one
    —— 4-chloro-N1-(4-propoxyphenyl)benzene-1,2-diamine 882509-23-1 C15H17ClN2O
    4-chloro-N1-(4-propoxyphenyl)benzene-1,2-diamine
    —— 4-[2-(1-methyl-1<i>H</i>-quinolin-2-ylidene)-ethylidene]-2,6-diphenyl-4,5-dihydro-2<i>H</i>-pyridazin-3-one 31487-47-5 C28H23N3O
    4-[2-(1-methyl-1<i>H</i>-quinolin-2-ylidene)-ethylidene]-2,6-diphenyl-4,5-dihydro-2<i>H</i>-pyridazin-3-one
    —— 4-methyl-4-trichloroacetoxy-2-trichloromethyl-[1,3]dioxolane 37663-87-9 C7H6Cl6O4
    4-methyl-4-trichloroacetoxy-2-trichloromethyl-[1,3]dioxolane
    —— 4-benzyl-5-methyl-2-furoic acid (2-pyridylmethylene)hydrazide 20842-39-1 C19H17N3O2
    4-benzyl-5-methyl-2-furoic acid (2-pyridylmethylene)hydrazide
    —— 4-{(E)-2-[1-Methyl-3-oxo-2-(m-tolyl-hydrazono)-but-(E)-ylideneamino]-ethylimino}-3-(m-tolyl-hydrazono)-pentan-2-one 29541-23-9 C26H32N6O2
    4-{(E)-2-[1-Methyl-3-oxo-2-(m-tolyl-hydrazono)-but-(E)-ylideneamino]-ethylimino}-3-(m-tolyl-hydrazono)-pentan-2-one
    —— {4-[(2-Chloro-ethoxysulfonyl)-(2-chloro-ethyl)-amino]-phenyl}-acetic acid 24590-54-3 C12H15Cl2NO5S
    {4-[(2-Chloro-ethoxysulfonyl)-(2-chloro-ethyl)-amino]-phenyl}-acetic acid
    —— 4-{3-[3-(benzylsulfonyl)phenoxy]phenyl}-3-methyl-8-(trifluoromethyl)quinoline 1020734-76-2 C30H22F3NO3S
    4-{3-[3-(benzylsulfonyl)phenoxy]phenyl}-3-methyl-8-(trifluoromethyl)quinoline
    —— 4-Nitro-5H-pyrido<3.4-b>-1,4-benzothiazin 861029-75-6 C11H7N3O2S
    4-Nitro-5H-pyrido<3.4-b>-1,4-benzothiazin
    —— (4S,5S)-5-((R)-3-Benzyloxy-2-methyl-propyl)-4-[3-(4,4-dimethyl-pentyl)-benzyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester 181716-29-0 C35H53NO4
    (4S,5S)-5-((R)-3-Benzyloxy-2-methyl-propyl)-4-[3-(4,4-dimethyl-pentyl)-benzyl]-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester
    —— 4-chloro-N-{3-[(4-chlorophenyl)-(2-trifluoromethyl-phenyl)-methoxy]-azetidine-1-carbonyl}-benzenesulfonamide 1042414-22-1 C24H19Cl2F3N2O4S
    4-chloro-N-{3-[(4-chlorophenyl)-(2-trifluoromethyl-phenyl)-methoxy]-azetidine-1-carbonyl}-benzenesulfonamide
    —— (4-(1-(3-cyano-1-(cyanomethyl)cyclobutyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-c]pyridazin-7-yl)methyl pivalate 1269823-63-3 C22H23N7O2
    (4-(1-(3-cyano-1-(cyanomethyl)cyclobutyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-c]pyridazin-7-yl)methyl pivalate
    —— 4-(2,4-difluorophenyl)-1H-1,2,3-triazole 1043553-13-4 C8H5F2N3
    4-(2,4-difluorophenyl)-1H-1,2,3-triazole
    —— 4-Aminobenzoic acid;benzenesulfinylbenzene 1240737-19-2 C7H7NO2*C12H10OS
    4-Aminobenzoic acid;benzenesulfinylbenzene
    —— 4,6,7-trimethyl-3-morpholinomethylcoumarin 77832-03-2 C17H21NO3
    4,6,7-trimethyl-3-morpholinomethylcoumarin
    —— 4-butyl-1-formyl-5-pentyl-4,5-dihydro-1H-pyrazole 100544-42-1 C13H24N2O
    4-butyl-1-formyl-5-pentyl-4,5-dihydro-1H-pyrazole
    —— 4,4'-bis(β-carboxypropionamido)dibenzo-18-crown-6 ether 115217-71-5 C28H34N2O12
    4,4'-bis(β-carboxypropionamido)dibenzo-18-crown-6 ether
    —— 4-acetylamino-2-hydroxy-benzohydroxamic acid 98953-47-0 C9H10N2O4
    4-acetylamino-2-hydroxy-benzohydroxamic acid
    —— 4-Methoxy-2-methyl-benzofuran-3-carboxylic acid amide 107449-06-9 C11H11NO3
    4-Methoxy-2-methyl-benzofuran-3-carboxylic acid amide
    —— 4-(5-oxo-3-phenyl-4,5-dihydro-1,2,4-triazol-1-yl)-piperidine-1-carboxylic acid (R)-2-(4-benzyloxy-3,5-dimethyl-phenyl)-1-methoxycarbonyl-ethyl ester 910575-78-9 C33H36N4O6
    4-(5-oxo-3-phenyl-4,5-dihydro-1,2,4-triazol-1-yl)-piperidine-1-carboxylic acid (R)-2-(4-benzyloxy-3,5-dimethyl-phenyl)-1-methoxycarbonyl-ethyl ester