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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-iodo-1,5-dimethoxy-9-oxo-9H-xanthen-3-yl acetate 849818-40-2 C17H13IO6
    4-iodo-1,5-dimethoxy-9-oxo-9H-xanthen-3-yl acetate
    —— 4-[(2S,3S)-2-chloro-3-methylpentoxy]carbonylbenzoic acid 163497-84-5 C14H17ClO4
    4-[(2S,3S)-2-chloro-3-methylpentoxy]carbonylbenzoic acid
    —— (4-hydroxy-3-methoxy-[1]naphthyl)-(1-hydroxy-[2]naphthyl)-ethanedione 861799-49-7 C23H16O5
    (4-hydroxy-3-methoxy-[1]naphthyl)-(1-hydroxy-[2]naphthyl)-ethanedione
    —— 4-amino-5-cyano-6-(neopentyloxy)-N-((1-((2-(pyridin-2-yl)thiazol-5-yl)methyl)piperidin-4-yl)methyl)picolinamide 1235473-48-9 C27H33N7O2S
    4-amino-5-cyano-6-(neopentyloxy)-N-((1-((2-(pyridin-2-yl)thiazol-5-yl)methyl)piperidin-4-yl)methyl)picolinamide
    —— 4-(2-(4-nitrophenyl)oxazol-5-yl)aniline 1313751-66-4 C15H11N3O3
    4-(2-(4-nitrophenyl)oxazol-5-yl)aniline
    —— 4-bromo-1,3-dichloro-2,3-dimethyl-but-1-ene 36559-66-7 C6H9BrCl2
    4-bromo-1,3-dichloro-2,3-dimethyl-but-1-ene
    —— 4-methylbenzyl (2S)-2-(dimethylamino)propanoate 1308331-85-2 C13H19NO2
    4-methylbenzyl (2S)-2-(dimethylamino)propanoate
    —— 4-chloro-1-(hexylsulfanylmethyl)-3-methylimidazol-1-ium;chloride 107113-05-3 C11H20ClN2S*Cl
    4-chloro-1-(hexylsulfanylmethyl)-3-methylimidazol-1-ium;chloride
    —— 4-(4,4-dioxo-5,6-dihydro-1,4,2-oxathiazin-3-yl)-N-(2-methylphenyl)benzamide 90854-24-3 C17H16N2O4S
    4-(4,4-dioxo-5,6-dihydro-1,4,2-oxathiazin-3-yl)-N-(2-methylphenyl)benzamide
    —— 4-amino-5-cyano-6-ethoxy-N-((1-((4'-methylbiphenyl-4-yl)methyl)piperidin-4-yl)methyl)picolinamide 1235473-39-8 C29H33N5O2
    4-amino-5-cyano-6-ethoxy-N-((1-((4'-methylbiphenyl-4-yl)methyl)piperidin-4-yl)methyl)picolinamide
    —— 4-fluoro-N-[3-fluoro-5-[5-[2-(3-fluoro-4-morpholin-4-ylanilino)pyrimidin-4-yl]-2-propan-2-yl-1,3-thiazol-4-yl]phenyl]benzenesulfonamide 1244643-77-3 C32H29F3N6O3S2
    4-fluoro-N-[3-fluoro-5-[5-[2-(3-fluoro-4-morpholin-4-ylanilino)pyrimidin-4-yl]-2-propan-2-yl-1,3-thiazol-4-yl]phenyl]benzenesulfonamide
    —— 4-[[1-[(4-chlorophenyl)methyl]-4,6-dioxo-5-propan-2-yl-1,3,5-triazin-2-yl]amino]-N,N-dimethylbenzamide 1239688-04-0 C22H24ClN5O3
    4-[[1-[(4-chlorophenyl)methyl]-4,6-dioxo-5-propan-2-yl-1,3,5-triazin-2-yl]amino]-N,N-dimethylbenzamide
    —— 4-(2-trifluoromethyl-[1,8]-naphthyridine-3-carbonyl)-(2,2,6,6-tetramethylpyran-3,5-dione) 1188430-69-4 C19H17F3N2O4
    4-(2-trifluoromethyl-[1,8]-naphthyridine-3-carbonyl)-(2,2,6,6-tetramethylpyran-3,5-dione)
    —— 4-(2-cyclohexyl-4-methyl-1,3-thiazol-5-yl)-N-phenylpyrimidine-2-amine 930580-74-8 C20H22N4S
    4-(2-cyclohexyl-4-methyl-1,3-thiazol-5-yl)-N-phenylpyrimidine-2-amine
    —— 4-[3,8-Bis(prop-2-enoxymethyl)-1,4,6,9-tetraoxa-5lambda5-arsaspiro[4.4]nonan-5-yl]-2-nitrophenol 1609015-25-9 C18H24AsNO9
    4-[3,8-Bis(prop-2-enoxymethyl)-1,4,6,9-tetraoxa-5lambda5-arsaspiro[4.4]nonan-5-yl]-2-nitrophenol
    —— 4-(4-amino-2,5-difluorophenyl)cyclohexanone O-(1-benzothiazol-2-yl-piperidin-4-yl)oxime 1393685-82-9 C24H26F2N4OS
    4-(4-amino-2,5-difluorophenyl)cyclohexanone O-(1-benzothiazol-2-yl-piperidin-4-yl)oxime
    —— 4-{[4-(4-amino-3-fluorophenyl)cyclohexylidene]amino}oxypiperidin-1-carboxylic acid tert-butyl ester 1393686-24-2 C22H32FN3O3
    4-{[4-(4-amino-3-fluorophenyl)cyclohexylidene]amino}oxypiperidin-1-carboxylic acid tert-butyl ester
    —— 4-[3-(Dimethylamino)propoxy]-2-methylaniline;hydrochloride 1185297-78-2 C12H21ClN2O
    4-[3-(Dimethylamino)propoxy]-2-methylaniline;hydrochloride
    —— 4-{4-[4-(5-benzoyl-1H-benzo[d]imidazol-2-ylcarbamoyl)-thiazol-2-yl]-piperidin-1-yl}-5-methyl-pyrrolo[2,1-f][1,2,4]triazine-6-carboxylic acid methyl ester 950675-04-4 C32H28N8O4S
    4-{4-[4-(5-benzoyl-1H-benzo[d]imidazol-2-ylcarbamoyl)-thiazol-2-yl]-piperidin-1-yl}-5-methyl-pyrrolo[2,1-f][1,2,4]triazine-6-carboxylic acid methyl ester
    —— 4-hydroxy-6,7-dimethyl-3-[(E)-3-[4-(trifluoromethyl)phenyl]-2-propenoyl]-2H-chromen-2-one 1590355-60-4 C21H15F3O4
    4-hydroxy-6,7-dimethyl-3-[(E)-3-[4-(trifluoromethyl)phenyl]-2-propenoyl]-2H-chromen-2-one
    —— 4-(((R)-2-(((R)-4-(((2R,3R,5R,6S)-3,5-dihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)pentanoyl)oxy)-2-phenylethyl)amino)-4-oxobutanoic acid 1417721-44-8 C23H33NO9
    4-(((R)-2-(((R)-4-(((2R,3R,5R,6S)-3,5-dihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)pentanoyl)oxy)-2-phenylethyl)amino)-4-oxobutanoic acid
    —— 4-Brom-2-benzoyl-naphthalin-dicarbonsaeure-(1,8)-anhydrid 109471-90-1 C19H9BrO4
    4-Brom-2-benzoyl-naphthalin-dicarbonsaeure-(1,8)-anhydrid
    —— 4'-{4-[(2-benzyl-3-mercaptopropionylamino)methyl]-2-butylimidazol-1-ylmethyl}biphenyl-2-carboxylic acid 1206696-09-4 C32H35N3O3S
    4'-{4-[(2-benzyl-3-mercaptopropionylamino)methyl]-2-butylimidazol-1-ylmethyl}biphenyl-2-carboxylic acid
    —— 4-[(2-cyclopropyl-1H-benzimidazol-1-yl)methyl]-N-{(1R,2S)-2-[(hydroxyamino)carbonyl]cyclopentyl}benzamide 503166-91-4 C24H26N4O3
    4-[(2-cyclopropyl-1H-benzimidazol-1-yl)methyl]-N-{(1R,2S)-2-[(hydroxyamino)carbonyl]cyclopentyl}benzamide
    —— 4-(4-trifluoromethoxyphenylsulfinyl)-1-[2-(4-fluorophenyl)ethyl]piperidine, hydrochloride 349665-08-3 C20H21F4NO2S*ClH
    4-(4-trifluoromethoxyphenylsulfinyl)-1-[2-(4-fluorophenyl)ethyl]piperidine, hydrochloride
    —— 4,4'-((sulfonylbis(4,1-phenylene))bis(1,3,4-oxadiazole-5,2-diyl))diphenol 132475-19-5 C28H18N4O6S
    4,4'-((sulfonylbis(4,1-phenylene))bis(1,3,4-oxadiazole-5,2-diyl))diphenol
    —— 4-phenylfurazan-3-carbaldehyde oxime 5-oxide 184580-92-5 C9H7N3O3
    4-phenylfurazan-3-carbaldehyde oxime 5-oxide
    —— 4,4a,5,5a,6,6a,7,8-octahydronaphthacen-2(3H)-one 142160-24-5 C18H20O
    4,4a,5,5a,6,6a,7,8-octahydronaphthacen-2(3H)-one
    —— ((4-ethynylphenyl)ethynyl)lithium 246043-51-6 C10H5Li
    ((4-ethynylphenyl)ethynyl)lithium
    —— 4-iodo-1-phenyl-1-hexyne 172981-28-1 C12H13I
    4-iodo-1-phenyl-1-hexyne
    —— 4-Morpholino-2-piperidinothieno<2,3-d>pyrimidin-hydrochlorid 74583-13-4 C15H20N4OS*ClH
    4-Morpholino-2-piperidinothieno<2,3-d>pyrimidin-hydrochlorid
    —— 4'-(1-isopropyl-2-benzimidazolyl)-1',4'-dihydro-2,3'-biquinolyl 206009-44-1 C28H24N4
    4'-(1-isopropyl-2-benzimidazolyl)-1',4'-dihydro-2,3'-biquinolyl
    —— 4-amino-2-(2-hydroxy-4-methyl-benzoyl)-benzoic acid 860597-77-9 C15H13NO4
    4-amino-2-(2-hydroxy-4-methyl-benzoyl)-benzoic acid
    —— 4-bromo-N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thien-2-yl)butanamide 1415716-70-9 C13H15BrN2OS
    4-bromo-N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thien-2-yl)butanamide
    —— 4-Amino-3-[5-chloro-4-(4-chlorophenyl)-2-methylphenyl]-1-oxaspiro[4.5]dec-3-en-2-one 1033435-24-3 C22H21Cl2NO2
    4-Amino-3-[5-chloro-4-(4-chlorophenyl)-2-methylphenyl]-1-oxaspiro[4.5]dec-3-en-2-one
    —— 4-(<1-(cyclohexylidenemethyl)-2-(4-methylphenyl)ethyl>sulfinyl)morpholine 124745-38-6 C20H29NO2S
    4-(<1-(cyclohexylidenemethyl)-2-(4-methylphenyl)ethyl>sulfinyl)morpholine
    —— 4-Sulfamyloxanilsaeure-allylamid 3346-92-7 C11H13N3O4S
    4-Sulfamyloxanilsaeure-allylamid
    —— 4-tert-butyl N-[(3,5-difluorophenyl)acetyl]-L-aspartate 680232-48-8 C16H19F2NO5
    4-tert-butyl N-[(3,5-difluorophenyl)acetyl]-L-aspartate
    —— 4-[1-(4-fluoro-phenyl)-5-methyl-1H-pyrazol-4-ylmethyl]-3'-(4methoxy-phenyl)-3,4,5,6-tetrahydro-2H-[1,2']bipyrazine hydrochloride 1082060-29-4 C26H27FN6O*ClH
    4-[1-(4-fluoro-phenyl)-5-methyl-1H-pyrazol-4-ylmethyl]-3'-(4methoxy-phenyl)-3,4,5,6-tetrahydro-2H-[1,2']bipyrazine hydrochloride
    —— [4-(3-methoxy-phenyl)-oxazol-2-yl]-piperidin-4-yl-amine 1092465-19-4 C15H19N3O2
    [4-(3-methoxy-phenyl)-oxazol-2-yl]-piperidin-4-yl-amine
    —— 4-chloro-5-ethyl-2,6-dimethylpyrimidine 1178504-57-8 C8H11ClN2
    4-chloro-5-ethyl-2,6-dimethylpyrimidine
    —— 4-Chloro-butyric acid 4-nitro-phenyl ester 31252-90-1 C10H10ClNO4
    4-Chloro-butyric acid 4-nitro-phenyl ester
    —— 4-{(S)-4-carboxy-2-[(4-{2-[2-(1-methyl-piperidin-2-yl)-pyrrolidin-1-yl]-2-oxo-ethoxy}-quinoline-2-carbonyl)-amino]-butyryl}-piperazine-1-carboxylic acid ethyl ester 1073451-85-0 C34H46N6O8
    4-{(S)-4-carboxy-2-[(4-{2-[2-(1-methyl-piperidin-2-yl)-pyrrolidin-1-yl]-2-oxo-ethoxy}-quinoline-2-carbonyl)-amino]-butyryl}-piperazine-1-carboxylic acid ethyl ester
    —— 4-n-butyl-2-phenyl-3a,4-dihydrobenz<de>isoquinoline-1,3(2H)-dione 79148-58-6 C22H21NO2
    4-n-butyl-2-phenyl-3a,4-dihydrobenz<de>isoquinoline-1,3(2H)-dione
    —— 4β-deuterioestr-5(10)-ene-3,17-dione 75851-42-2 C18H24O2
    4β-deuterioestr-5(10)-ene-3,17-dione
    —— 4-[(S)-4-carboxy-2-({4-[2-(4-methyl-3-oxo-piperazin-1-yl)-2-oxo-ethoxy]-quinoline-2-carbonyl}-amino)-butyryl]-piperazine-1-carboxylic acid ethyl ester 1073452-31-9 C29H36N6O9
    4-[(S)-4-carboxy-2-({4-[2-(4-methyl-3-oxo-piperazin-1-yl)-2-oxo-ethoxy]-quinoline-2-carbonyl}-amino)-butyryl]-piperazine-1-carboxylic acid ethyl ester
    —— 4-[2]furyl-butan-2-one thiosemicarbazone 98960-91-9 C9H13N3OS
    4-[2]furyl-butan-2-one thiosemicarbazone
    —— 4-[3-chloro-5-fluoro-2-(5-methyl-[1,3,4]oxadiazol-2-yl)-indol-1-yl]-benzylamine 1374454-13-3 C18H14ClFN4O
    4-[3-chloro-5-fluoro-2-(5-methyl-[1,3,4]oxadiazol-2-yl)-indol-1-yl]-benzylamine
    —— 4-(3-methyl-benzo[b]thiophen-2-yl)-1-naphthalen-1-yl-2-phenyl-1H-imidazole 35371-24-5 C28H20N2S
    4-(3-methyl-benzo[b]thiophen-2-yl)-1-naphthalen-1-yl-2-phenyl-1H-imidazole
    —— (4S,5S,6R)-4,6-Diethyl-2,2-diisopropyl-5-methyl-[1,3,2]dioxasilinane 136233-45-9 C14H30O2Si
    (4S,5S,6R)-4,6-Diethyl-2,2-diisopropyl-5-methyl-[1,3,2]dioxasilinane