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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Amino-5-(3-amino-4-chloro-phenyl)-6-ethyl-1H-pyrimidin-2-one 104498-96-6 C12H13ClN4O
    4-Amino-5-(3-amino-4-chloro-phenyl)-6-ethyl-1H-pyrimidin-2-one
    —— 4-chloro-3-methylphenoxyacetaldehyde cyanohydrin 122956-08-5 C10H10ClNO2
    4-chloro-3-methylphenoxyacetaldehyde cyanohydrin
    —— [(4E)-4-diethoxyphosphoryl-2-methylhexa-2,4-dien-3-yl] N,N-diethylcarbamodithioate 128773-52-4 C16H30NO3PS2
    [(4E)-4-diethoxyphosphoryl-2-methylhexa-2,4-dien-3-yl] N,N-diethylcarbamodithioate
    —— (4R,5S)-3-(N-benzyloxycarbonyl-D-alanyl)-4-methyl-5-phenyl-1,3-oxazolidine-2-thione 104499-24-3 C21H22N2O4S
    (4R,5S)-3-(N-benzyloxycarbonyl-D-alanyl)-4-methyl-5-phenyl-1,3-oxazolidine-2-thione
    —— 4-(2-hydroxy-1-methylethyl)-3-nitro-N,N-diphenylbenzenecarboxamide 702643-12-7 C22H20N2O4
    4-(2-hydroxy-1-methylethyl)-3-nitro-N,N-diphenylbenzenecarboxamide
    —— (4R,4aS,7S,7aR,12bS)-3-(cyclopropylmethyl)-4a-hydroxy-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-7,9-diyl dimethanesulfonate 125902-96-7 C22H29NO8S2
    (4R,4aS,7S,7aR,12bS)-3-(cyclopropylmethyl)-4a-hydroxy-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-7,9-diyl dimethanesulfonate
    —— 4-tritylsulfanylmethyl-benzoic acid 1032290-97-3 C27H22O2S
    4-tritylsulfanylmethyl-benzoic acid
    —— 4-(3-ethoxycarbonyl-2-methoxyguanidino)-N-(4-(3-ethoxycarbonyl-2-methoxyguanidino)phenyl)benzamide 1615693-77-0 C23H29N7O7
    4-(3-ethoxycarbonyl-2-methoxyguanidino)-N-(4-(3-ethoxycarbonyl-2-methoxyguanidino)phenyl)benzamide
    —— 4,4,4-trifluoro-3-(trifluoromethyl)-2-[tris(dimethylamino)phosphoranylidene]butanenitrile 1363721-10-1 C11H19F6N4P
    4,4,4-trifluoro-3-(trifluoromethyl)-2-[tris(dimethylamino)phosphoranylidene]butanenitrile
    —— 4-[2-acetoxymercury-2-(2-oxoindolin-3-ylideneamino)ethylamino]-3,4-dihydro-2H-pyrido[3,2-b]indole 1341187-80-1 C23H21HgN5O3
    4-[2-acetoxymercury-2-(2-oxoindolin-3-ylideneamino)ethylamino]-3,4-dihydro-2H-pyrido[3,2-b]indole
    —— 4-(1,2-dibromoethyl)-2,2-bis(trifluoromethyl)-1,3-dioxolane 135245-02-2 C7H6Br2F6O2
    4-(1,2-dibromoethyl)-2,2-bis(trifluoromethyl)-1,3-dioxolane
    —— (4aS,6aR,6bR,8aR,12aR,12bR,14aR,14bS)-11-cyano-2,2,6a,6b,9,9,12a-heptamethyl-10,14-dioxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,12a,12b,13,14,14a,14b-octadecahydropicene-4a(2H)-carbonyl chloride 1191264-73-9 C31H42ClNO3
    (4aS,6aR,6bR,8aR,12aR,12bR,14aR,14bS)-11-cyano-2,2,6a,6b,9,9,12a-heptamethyl-10,14-dioxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,12a,12b,13,14,14a,14b-octadecahydropicene-4a(2H)-carbonyl chloride
    —— (4-bromo-isothiazol-3-yl)-acetic acid 2,4-dinitro-phenyl ester 17931-45-2 C11H6BrN3O6S
    (4-bromo-isothiazol-3-yl)-acetic acid 2,4-dinitro-phenyl ester
    —— 4-<3''-(N-piperidinomethyl)-4''-hydroxyanilino>-3-(3',4'-dihydro-3'-methyl-1'-isoquinolyl)-7-chloroquinoline 111826-51-8 C31H31ClN4O
    4-<3''-(N-piperidinomethyl)-4''-hydroxyanilino>-3-(3',4'-dihydro-3'-methyl-1'-isoquinolyl)-7-chloroquinoline
    —— 4-nitrophenylhydrazone of (diisopropoxyphosphoryl)formyl bromide 123434-37-7 C13H19BrN3O5P
    4-nitrophenylhydrazone of (diisopropoxyphosphoryl)formyl bromide
    —— (4R,5S)-3-<(2S)-phenylbutanoyl>-4-methyl-5-phenyl-1,3-oxazolidine-2-thione 104499-22-1 C20H21NO2S
    (4R,5S)-3-<(2S)-phenylbutanoyl>-4-methyl-5-phenyl-1,3-oxazolidine-2-thione
    —— 4,4,4-trichloro-3-(ethoxycarbonylamino)-2-phenylbutanoic acid 123761-95-5 C13H14Cl3NO4
    4,4,4-trichloro-3-(ethoxycarbonylamino)-2-phenylbutanoic acid
    —— (4R,5S)-3-((9Z,12Z)-(R)-2-Hydroxy-octadeca-9,12-dienoyl)-4-methyl-5-phenyl-oxazolidin-2-one 339170-32-0 C28H41NO4
    (4R,5S)-3-((9Z,12Z)-(R)-2-Hydroxy-octadeca-9,12-dienoyl)-4-methyl-5-phenyl-oxazolidin-2-one
    —— 4-hydroxy-1-oxo-1,2-dihydropyridazino[4,5-b]quinoline 5-oxide 202808-09-1 C11H7N3O3
    4-hydroxy-1-oxo-1,2-dihydropyridazino[4,5-b]quinoline 5-oxide
    —— 4-Nitro-2-phenylazo-phenol 31039-95-9 C12H9N3O3
    4-Nitro-2-phenylazo-phenol
    —— 4-tert-butyl-benzoic acid-(1-methyl-2-phenyl-ethylamide) 102238-95-9 C20H25NO
    4-tert-butyl-benzoic acid-(1-methyl-2-phenyl-ethylamide)
    —— 4-[(10S)-dihydroartemisinin-10-oxy]benzaldehyde 4-(2,3-dimethylphenyl)thiosemicarbazone 1287216-38-9 C31H39N3O5S
    4-[(10S)-dihydroartemisinin-10-oxy]benzaldehyde 4-(2,3-dimethylphenyl)thiosemicarbazone
    —— 4'-azido-2',5'-dideoxy-5'-iodoguanosine 140226-24-0 C10H11IN8O3
    4'-azido-2',5'-dideoxy-5'-iodoguanosine
    —— 4-(4-Methoxy-phenyl)-2-oxo-1,2-dihydro-quinoline-3-carbaldehyde 845536-15-4 C17H13NO3
    4-(4-Methoxy-phenyl)-2-oxo-1,2-dihydro-quinoline-3-carbaldehyde
    —— 4-O-[acetyl(9H-fluoren-2-yl)amino] 1-O-[[(2R,3S,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-3-hydroxyoxolan-2-yl]methyl] butanedioate 134756-81-3 C29H28N6O8
    4-O-[acetyl(9H-fluoren-2-yl)amino] 1-O-[[(2R,3S,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-3-hydroxyoxolan-2-yl]methyl] butanedioate
    —— 4,4,4-trifluoro-1-(furan-2-yl)-3-(trifluoromethyl)-3-((trimethylsilyl)oxy)butan-1-one 143211-26-1 C12H14F6O3Si
    4,4,4-trifluoro-1-(furan-2-yl)-3-(trifluoromethyl)-3-((trimethylsilyl)oxy)butan-1-one
    —— 4-morpholino-6-(2-benzyl)-1,3,5-triazin-2-amine 1430334-09-0 C14H17N5O
    4-morpholino-6-(2-benzyl)-1,3,5-triazin-2-amine
    —— 4-hydroxy-3-(3-methyl-3-butenyl)-2(1H)-quinolone 109573-19-5 C14H15NO2
    4-hydroxy-3-(3-methyl-3-butenyl)-2(1H)-quinolone
    —— 4-(methoxycarbonyl)thio-2-azetidinone 77705-21-6 C5H7NO3S
    4-(methoxycarbonyl)thio-2-azetidinone
    —— 4-(5-acetoxy-7-(tert-butoxy)-4-oxo-4H-chromen-3-yl)phenyl acetate 1610737-81-9 C23H22O7
    4-(5-acetoxy-7-(tert-butoxy)-4-oxo-4H-chromen-3-yl)phenyl acetate
    —— 4-hydroxy-17-isobutylmorphinan-6-one 1000410-53-6 C20H27NO2
    4-hydroxy-17-isobutylmorphinan-6-one
    —— 4-[(E)-(5,6-dimethoxy-1-oxo-indan-2-ylidene)methyl]-N-methyl-pyridine-3-carboxamide 1620646-42-5 C19H18N2O4
    4-[(E)-(5,6-dimethoxy-1-oxo-indan-2-ylidene)methyl]-N-methyl-pyridine-3-carboxamide
    —— 4-hydroxy-3-propylthiazolidine-2-thione 5685-04-1 C4H7NOS2
    4-hydroxy-3-propylthiazolidine-2-thione
    —— 4,4'-Bis-(2-hydroxy-benzyliden-amino)-diphenyl-sulfid 3430-67-9 C26H20N2O2S
    4,4'-Bis-(2-hydroxy-benzyliden-amino)-diphenyl-sulfid
    —— 4-chloro-3-formylbenzenesulfonate anion 905837-18-5 C7H4ClO4S
    4-chloro-3-formylbenzenesulfonate anion
    —— 4-(2,3-dimethyl-1-phenylpyrazol-5-oneazo)-3-aminophenol 50886-45-8 C17H17N5O2
    4-(2,3-dimethyl-1-phenylpyrazol-5-oneazo)-3-aminophenol
    —— (4a'S,5'R,8a'R)-3'-methyl-5'-(prop-1-en-2-yl)-4a',5',6',7'-tetrahydro-1'H-spiro[[1,3]dithiolane-2,2'-naphthalen]-8'(8a'H)-one 152451-85-9 C16H22OS2
    (4a'S,5'R,8a'R)-3'-methyl-5'-(prop-1-en-2-yl)-4a',5',6',7'-tetrahydro-1'H-spiro[[1,3]dithiolane-2,2'-naphthalen]-8'(8a'H)-one
    —— 4,6-diallyl-2-(4-amino-2-methyl-pyrimidin-5-yl)-4,6-dihydro-imidazo[4,5-<i>d</i>]thiazole-5-thione 23920-74-3 C15H16N6S2
    4,6-diallyl-2-(4-amino-2-methyl-pyrimidin-5-yl)-4,6-dihydro-imidazo[4,5-<i>d</i>]thiazole-5-thione
    —— 4-(2-fluorobenzyloxy)benzene-1,3-diamine 1621090-59-2 C13H13FN2O
    4-(2-fluorobenzyloxy)benzene-1,3-diamine
    —— 4-methacryloyloxy-1-(E-2-tridecenyl)-2,2,6,6-tetramethylpiperidine 869812-02-2 C26H47NO2
    4-methacryloyloxy-1-(E-2-tridecenyl)-2,2,6,6-tetramethylpiperidine
    —— 4-(4-benzylimidazo[1,2-a][1,3,5]triazin-2-yl)morpholine 1430334-14-7 C16H17N5O
    4-(4-benzylimidazo[1,2-a][1,3,5]triazin-2-yl)morpholine
    —— 4-{[5-hydroxy-3-(3-pyridyl)-1H-pyrazol-4-yl]diazenyl}-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 1268837-62-2 C19H17N7O2
    4-{[5-hydroxy-3-(3-pyridyl)-1H-pyrazol-4-yl]diazenyl}-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
    —— (4-Methylphenyl)magnesium-iodid 6749-78-6 C7H7IMg
    (4-Methylphenyl)magnesium-iodid
    —— 4''-O-acetyl-23-demycinosyloxy-23-iodotylosin 121512-77-4 C40H64INO13
    4''-O-acetyl-23-demycinosyloxy-23-iodotylosin
    —— 4-carboxy-3-phenyl-sydnone 13183-08-9 C9H6N2O4
    4-carboxy-3-phenyl-sydnone
    —— [4-tert-butyl-2,6-di(propan-2-yl)phenyl]-dichloro-[chloro-di(propan-2-yl)silyl]silane 112313-52-7 C22H39Cl3Si2
    [4-tert-butyl-2,6-di(propan-2-yl)phenyl]-dichloro-[chloro-di(propan-2-yl)silyl]silane
    —— (4-chlorophenyl)(6-methoxy-2-methyl-3-((4-nitro-1H-benzimidazol-2-yl)methyl)-1H-indol-1-yl)methanone 1342820-77-2 C25H19ClN4O4
    (4-chlorophenyl)(6-methoxy-2-methyl-3-((4-nitro-1H-benzimidazol-2-yl)methyl)-1H-indol-1-yl)methanone
    —— (4S,5S)-2,2,7,7-tetramethyloctane-4,5-diol 133546-70-0 C12H26O2
    (4S,5S)-2,2,7,7-tetramethyloctane-4,5-diol
    —— 4-hydroxy-3-(3',4'-dihydro-3'-methyl-1'-isoquinolyl)-7-chloroquinoline 111826-40-5 C19H15ClN2O
    4-hydroxy-3-(3',4'-dihydro-3'-methyl-1'-isoquinolyl)-7-chloroquinoline
    —— 4-(diethylamino)butyl 10H-phenothiazine-10-carboxylate 72332-01-5 C21H26N2O2S
    4-(diethylamino)butyl 10H-phenothiazine-10-carboxylate