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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4α-Acetoxy-5-brom-5β-cholest-2-en-1-on 58507-87-2 C29H45BrO3
    4α-Acetoxy-5-brom-5β-cholest-2-en-1-on
    —— 4-({[<i>N</i>-(2,6-diamino-5-nitro-pyrimidin-4-yl)-glycyl]-amino}-methyl)-benzoic acid 53661-95-3 C14H15N7O5
    4-({[<i>N</i>-(2,6-diamino-5-nitro-pyrimidin-4-yl)-glycyl]-amino}-methyl)-benzoic acid
    —— 4-Benzyl-10-methoxy-1,4,5,6-tetrahydro-2H-benzo[f]quinolin-3-one 82171-83-3 C21H21NO2
    4-Benzyl-10-methoxy-1,4,5,6-tetrahydro-2H-benzo[f]quinolin-3-one
    —— 4-benzyl-2-<i>tert</i>-butyl-3-(2,4-dimethoxy-phenyl)-[1,2,4]oxadiazolidine-5-thione 72995-65-4 C21H26N2O3S
    4-benzyl-2-<i>tert</i>-butyl-3-(2,4-dimethoxy-phenyl)-[1,2,4]oxadiazolidine-5-thione
    —— 4-chloro-6-cyclopropyl-2-methylpyrimidine 1159818-45-7 C8H9ClN2
    4-chloro-6-cyclopropyl-2-methylpyrimidine
    —— 4-cyclopropyl-1,1,1-trifluoro-2-phenylbut-3-yn-2-ol 866109-19-5 C13H11F3O
    4-cyclopropyl-1,1,1-trifluoro-2-phenylbut-3-yn-2-ol
    —— 4-[1-(2-fluorophenyl)-1-methoxymethoxyethyl]-6-[5-(1-methyl-1H-pyrazol-4-yl)-1H-pyrrolo[2,3-b]pyridin-3-yl]pyrimidin-2-ylamine 1313021-44-1 C25H24FN7O2
    4-[1-(2-fluorophenyl)-1-methoxymethoxyethyl]-6-[5-(1-methyl-1H-pyrazol-4-yl)-1H-pyrrolo[2,3-b]pyridin-3-yl]pyrimidin-2-ylamine
    —— 4-Brom-2,3-dihydro-5-methoxybenzofuran 40492-50-0 C9H9BrO2
    4-Brom-2,3-dihydro-5-methoxybenzofuran
    —— 4-Phenoxy-1-(p-toluolsulfonyloxy)-cis-penten-2 1235-91-2 C18H20O4S
    4-Phenoxy-1-(p-toluolsulfonyloxy)-cis-penten-2
    —— 4-Bromo-buta-2,3-dienoic acid 4-bromo-but-3-ynyl ester 38470-48-3 C8H6Br2O2
    4-Bromo-buta-2,3-dienoic acid 4-bromo-but-3-ynyl ester
    —— 4-(4-ethyl-5-isopropenyl-2-methyl-cyclopent-1-enyl)-butan-2-one 132595-44-9 C15H24O
    4-(4-ethyl-5-isopropenyl-2-methyl-cyclopent-1-enyl)-butan-2-one
    —— 4-{4-hydroxy-3-[3-(2-hydroxyphenyl)-5-isoxazolyl]benzyl}-2-[3-(2-hydroxyphenyl)-5-isoxazolyl]phenol 1179924-69-6 C31H22N2O6
    4-{4-hydroxy-3-[3-(2-hydroxyphenyl)-5-isoxazolyl]benzyl}-2-[3-(2-hydroxyphenyl)-5-isoxazolyl]phenol
    —— 4-methoxynaphthalene-1-sulfonic acid [4-(6,7-dimethoxyquinolin-4-yloxy)-3-fluorophenyl]amide 1192299-37-8 C28H23FN2O6S
    4-methoxynaphthalene-1-sulfonic acid [4-(6,7-dimethoxyquinolin-4-yloxy)-3-fluorophenyl]amide
    —— 4-((2-(4-((4,4-difluoropiperidin-1-yl)carbonyl)-2-methylphenyl)pyrrolidin-1-yl)carbonyl)-6-methylbenzene-1,3-diol 1174332-48-9 C25H28F2N2O4
    4-((2-(4-((4,4-difluoropiperidin-1-yl)carbonyl)-2-methylphenyl)pyrrolidin-1-yl)carbonyl)-6-methylbenzene-1,3-diol
    —— 4-O-benzoyl-2-O-benzyl-3-O-chloroacetyl-L-fucopyranosyl trichloroacetimidate 1290036-11-1 C24H23Cl4NO7
    4-O-benzoyl-2-O-benzyl-3-O-chloroacetyl-L-fucopyranosyl trichloroacetimidate
    —— 4-Methyl-2-nitro-6-(1H-tetrazol-5-yl)-phenol 100245-08-7 C8H7N5O3
    4-Methyl-2-nitro-6-(1H-tetrazol-5-yl)-phenol
    —— 4b,10-diphenyl-4b,9-dihydro-indeno[1,2,3-<i>fg</i>]naphthacen-9-ol 124514-13-2 C36H24O
    4b,10-diphenyl-4b,9-dihydro-indeno[1,2,3-<i>fg</i>]naphthacen-9-ol
    —— 4-(2-hydroxy-5-methylbenzoyl)-1-methyl-3-(1,1,2,2-tetrafluoroethyl)pyrazole 1203558-34-2 C14H12F4N2O2
    4-(2-hydroxy-5-methylbenzoyl)-1-methyl-3-(1,1,2,2-tetrafluoroethyl)pyrazole
    —— 4-hydroxymethyl-6-methyl-2,2-pentamethylenebenzo[f]isoindolinium bromide 1239016-80-8 Br*C19H24NO
    4-hydroxymethyl-6-methyl-2,2-pentamethylenebenzo[f]isoindolinium bromide
    —— (4R)-4-benzyl-3-{(2R,3S,4R)-3-hydroxy-4-[(2S,4S,5S)-2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl]-2-methylpentanoyl}-oxazolidin-2-one 845780-42-9 C28H35NO7
    (4R)-4-benzyl-3-{(2R,3S,4R)-3-hydroxy-4-[(2S,4S,5S)-2-(4-methoxyphenyl)-5-methyl[1,3]dioxan-4-yl]-2-methylpentanoyl}-oxazolidin-2-one
    —— 4-(3,5-dimethyl-4H-1,2,4-triazol-4-yl)-2-(2-hydroxy-2-phenylethyl)-5-(thiophen-2-ylmethyl)-2H-1,2,4-triazol-3(4H)-one 1333234-18-6 C19H20N6O2S
    4-(3,5-dimethyl-4H-1,2,4-triazol-4-yl)-2-(2-hydroxy-2-phenylethyl)-5-(thiophen-2-ylmethyl)-2H-1,2,4-triazol-3(4H)-one
    —— 4-[1-[(4-methoxy-2,6-dimethyl-phenyl)sulfonyl]-piperidin-2-yl]-1-[4-pyridin-3-yl-4-(3-pyrrolidin-1-yl-propyl)-piperidin-1-yl]-butan-1-one 1191106-81-6 C35H52N4O4S
    4-[1-[(4-methoxy-2,6-dimethyl-phenyl)sulfonyl]-piperidin-2-yl]-1-[4-pyridin-3-yl-4-(3-pyrrolidin-1-yl-propyl)-piperidin-1-yl]-butan-1-one
    —— 4-acetyl-2-methylsulphonyl-5-(1-oxido-4-pyridyl)-4,5-dihydro-1,3,4-thiadiazole 89806-21-3 C10H11N3O4S2
    4-acetyl-2-methylsulphonyl-5-(1-oxido-4-pyridyl)-4,5-dihydro-1,3,4-thiadiazole
    —— 4-[4-[5-Amino-6-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl]benzoyl]-1,4-diazepane-1-carbaldehyde 1232418-08-4 C25H23N7O3
    4-[4-[5-Amino-6-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrazin-2-yl]benzoyl]-1,4-diazepane-1-carbaldehyde
    —— 4'-bromophenyl 3-bromopropionate 86259-96-3 C9H8Br2O2
    4'-bromophenyl 3-bromopropionate
    —— 4-Furan-2-yl-6-methyl-2-trimethylsilanylsulfanyl-nicotinonitrile 161976-82-5 C14H16N2OSSi
    4-Furan-2-yl-6-methyl-2-trimethylsilanylsulfanyl-nicotinonitrile
    —— [(4R,5R,7R,8S,9R,10S,12E)-4-ethyl-5-hydroxy-9-methoxy-8,10-dimethyltetradeca-2,12-dien-7-yl] acetate 1236279-19-8 C21H38O4
    [(4R,5R,7R,8S,9R,10S,12E)-4-ethyl-5-hydroxy-9-methoxy-8,10-dimethyltetradeca-2,12-dien-7-yl] acetate
    —— [(4-Chloro-benzyl)-formyl-amino]-acetic acid ethyl ester 76075-09-7 C12H14ClNO3
    [(4-Chloro-benzyl)-formyl-amino]-acetic acid ethyl ester
    —— 4-(2-iodoethoxy)-4-methoxycyclohexa-2,5-dien-1-one 541513-74-0 C9H11IO3
    4-(2-iodoethoxy)-4-methoxycyclohexa-2,5-dien-1-one
    —— 4-ethoxy-1-(4,5-diethyl-[2]pyridyl)-butan-1-one-(2,4-dinitro-phenylhydrazone) 102373-61-5 C21H27N5O5
    4-ethoxy-1-(4,5-diethyl-[2]pyridyl)-butan-1-one-(2,4-dinitro-phenylhydrazone)
    —— 4-Nitro-5-methylamino-2,1,3-benzothiadiazol 18037-96-2 C7H6N4O2S
    4-Nitro-5-methylamino-2,1,3-benzothiadiazol
    —— 4,8-dihydroxy-6-(3-hydroxy-propyl)-quinoline-2-carboxylic acid 495408-91-8 C13H13NO5
    4,8-dihydroxy-6-(3-hydroxy-propyl)-quinoline-2-carboxylic acid
    —— (4-fluoromethylpyrimidin-2-yl)carbamic acid tert-butyl ester 1378039-55-4 C10H14FN3O2
    (4-fluoromethylpyrimidin-2-yl)carbamic acid tert-butyl ester
    —— 4-[(3-Benzyloxy-5,5,8-trimethyl-5,6-dihydronaphthalen-2-yl)ethylamino]benzoic Acid 362028-16-8 C29H31NO3
    4-[(3-Benzyloxy-5,5,8-trimethyl-5,6-dihydronaphthalen-2-yl)ethylamino]benzoic Acid
    —— (4-{4-[3-(2,3-dichlorophenyl)-1-heptylureido]phenylsulphanyl}phenyl)acetic acid 735314-68-8 C28H30Cl2N2O3S
    (4-{4-[3-(2,3-dichlorophenyl)-1-heptylureido]phenylsulphanyl}phenyl)acetic acid
    —— 4-(5-acetylamino-2-methoxy-[1]naphthyl)-4-oxo-butyric acid 412023-12-2 C17H17NO5
    4-(5-acetylamino-2-methoxy-[1]naphthyl)-4-oxo-butyric acid
    —— 4,5,11,17-Tetraethyl-1,8,14-trioxa-4,5,11,17-tetraaza-cyclononadecane-12,16-dione 120982-04-9 C20H40N4O5
    4,5,11,17-Tetraethyl-1,8,14-trioxa-4,5,11,17-tetraaza-cyclononadecane-12,16-dione
    —— 4-[4-[4-Hydroxy-1-methyl-5-(3,5,6,7-tetrahydropyrrolo[3,4-f]benzimidazol-2-yl)pyrazol-3-yl]phenyl]benzonitrile 1197338-86-5 C26H20N6O
    4-[4-[4-Hydroxy-1-methyl-5-(3,5,6,7-tetrahydropyrrolo[3,4-f]benzimidazol-2-yl)pyrazol-3-yl]phenyl]benzonitrile
    —— (4S,5S,6R,7R,8R)-8-(tert-Butyl-dimethyl-silanyloxy)-6-(4-methoxy-benzyloxy)-2,5,7-trimethyl-non-2-en-4-ol 137894-17-8 C26H46O4Si
    (4S,5S,6R,7R,8R)-8-(tert-Butyl-dimethyl-silanyloxy)-6-(4-methoxy-benzyloxy)-2,5,7-trimethyl-non-2-en-4-ol
    —— 4-bromo-3-butyl-5-(dichloromethylidene)furan-2-one 96129-51-0 C9H9BrCl2O2
    4-bromo-3-butyl-5-(dichloromethylidene)furan-2-one
    —— [[4-[bis(2-chloroethyl)amino]-2-methylphenyl]methylideneamino]-trimethylazanium;iodide 97767-68-5 C15H24Cl2N3*I
    [[4-[bis(2-chloroethyl)amino]-2-methylphenyl]methylideneamino]-trimethylazanium;iodide
    —— 4-methoxy-2-(4-phenylmethoxybut-3-enyl)benzaldehyde 146176-01-4 C19H20O3
    4-methoxy-2-(4-phenylmethoxybut-3-enyl)benzaldehyde
    —— 4-(2-benzyloxycarbonylethyl)-4-nitroheptanedioic acid 479587-07-0 C17H21NO8
    4-(2-benzyloxycarbonylethyl)-4-nitroheptanedioic acid
    —— 4-Hydroxymethyl-2-oxyfurazan-3-carboxylic acid pyrrolidide 158590-82-0 C8H11N3O4
    4-Hydroxymethyl-2-oxyfurazan-3-carboxylic acid pyrrolidide
    —— 4-heptafluoropropyl-4-hydroxy-1-methyl-2-phenyl-4,5-dihydroimidazole 161670-79-7 C13H11F7N2O
    4-heptafluoropropyl-4-hydroxy-1-methyl-2-phenyl-4,5-dihydroimidazole
    —— 4-(2-carbamoylanilino)-N-ethyl-6-[(5-fluoropyridin-2-yl)amino]pyridine-3-carboxamide 1609529-38-5 C20H19FN6O2
    4-(2-carbamoylanilino)-N-ethyl-6-[(5-fluoropyridin-2-yl)amino]pyridine-3-carboxamide
    —— 4-Chloro-3-pentylsulfanylphenol 49828-92-4 C11H15ClOS
    4-Chloro-3-pentylsulfanylphenol
    —— 4-[[(4-cyanophenyl)sulfonyl-(pyridin-2-ylmethyl)amino]methyl]-N-(pyridin-2-ylmethyl)benzamide 1191067-49-8 C27H23N5O3S
    4-[[(4-cyanophenyl)sulfonyl-(pyridin-2-ylmethyl)amino]methyl]-N-(pyridin-2-ylmethyl)benzamide
    —— (4-tert-butylphenyl)(1,2-di-tert-butyldiaziridin-3-ylidene)amine 1189055-60-4 C19H31N3
    (4-tert-butylphenyl)(1,2-di-tert-butyldiaziridin-3-ylidene)amine
    —— 4-methyl-2-(2-oxo-3-(4-(trifluoromethoxy)benzyl)imidazolidin-1-yl)thiazole-5-carboxylic acid 1072802-49-3 C16H14F3N3O4S
    4-methyl-2-(2-oxo-3-(4-(trifluoromethoxy)benzyl)imidazolidin-1-yl)thiazole-5-carboxylic acid