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中文名称 英文名称 CAS号 化学式 结构式图片
—— 4-hydroxybenzofuran-2-carboxylic acid 113511-42-5 C9H6O4
4-hydroxybenzofuran-2-carboxylic acid
—— 4-Amino-1-(3-methyl-butyl)-1H-pyrrole-2-carboxylic acid [2-(N,N'-dimethyl-carbamimidoyl)-ethyl]-amide 404336-22-7 C15H27N5O
4-Amino-1-(3-methyl-butyl)-1H-pyrrole-2-carboxylic acid [2-(N,N'-dimethyl-carbamimidoyl)-ethyl]-amide
—— 4-(5-bromo-6-chloro-pyridine-3-sulfonyl)-5-nitro-thiophene-2-carboxylic acid methyl ester 631909-87-0 C11H6BrClN2O6S2
4-(5-bromo-6-chloro-pyridine-3-sulfonyl)-5-nitro-thiophene-2-carboxylic acid methyl ester
—— 4-bromo-5-nitrothiophene-2-carboxylic acid isopropylamide 864075-38-7 C8H9BrN2O3S
4-bromo-5-nitrothiophene-2-carboxylic acid isopropylamide
—— 4-(3-Bromo-phenylsulfanyl)-5-nitro-thiophene-2-carboxylic acid methyl ester 631909-27-8 C12H8BrNO4S2
4-(3-Bromo-phenylsulfanyl)-5-nitro-thiophene-2-carboxylic acid methyl ester
—— 4-(6-Phenyl-hexanoyl)-piperazine-1-carbonyl chloride 253177-37-6 C17H23ClN2O2
4-(6-Phenyl-hexanoyl)-piperazine-1-carbonyl chloride
—— 4-(2-methyl-furan-3-sulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid methyl ester 930792-23-7 C12H12O5S3
4-(2-methyl-furan-3-sulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid methyl ester
—— 4-(5-Bromo-pyridin-3-ylsulfanyl)-5-nitro-thiophene-2-carboxylic acid methyl ester 631909-98-3 C11H7BrN2O4S2
4-(5-Bromo-pyridin-3-ylsulfanyl)-5-nitro-thiophene-2-carboxylic acid methyl ester
—— 4-(6-Bromo-5-chloro-pyridine-3-sulfonyl)-5-nitro-thiophene-2-carboxylic acid methyl ester 631912-96-4 C11H6BrClN2O6S2
4-(6-Bromo-5-chloro-pyridine-3-sulfonyl)-5-nitro-thiophene-2-carboxylic acid methyl ester
—— 4-(6-methyl-biphenyl-3-ylsulfanyl)-5-nitro-thiophene-2-carboxylic acid methyl ester 631909-79-0 C19H15NO4S2
4-(6-methyl-biphenyl-3-ylsulfanyl)-5-nitro-thiophene-2-carboxylic acid methyl ester
—— 4-Hydroxy-N-(2-(1H-indol-2-yl)-phenyl)-benzamide 677297-12-0 C21H16N2O2
4-Hydroxy-N-(2-(1H-indol-2-yl)-phenyl)-benzamide
—— 4-(quinuclidin-4-ylmethyl)-3,4-dihydropyrazolo[3,4,5-de]isoquinolin-5(1H)-one 1262419-61-3 C17H20N4O
4-(quinuclidin-4-ylmethyl)-3,4-dihydropyrazolo[3,4,5-de]isoquinolin-5(1H)-one
—— 4-methoxy-5-methoxymethyl-6-[4-(2-chloroethoxy)-phenyl]furo[2,3,d]pyrimidine 866183-65-5 C17H17ClN2O4
4-methoxy-5-methoxymethyl-6-[4-(2-chloroethoxy)-phenyl]furo[2,3,d]pyrimidine
—— 4-chloro-5-methoxymethyl-6-[4-(2-chloroethoxy)-phenyl]furo[2,3,d]pyrimidine 866183-64-4 C16H14Cl2N2O3
4-chloro-5-methoxymethyl-6-[4-(2-chloroethoxy)-phenyl]furo[2,3,d]pyrimidine
—— 4-(2-phenyl-6,8-dibromo-4-oxo-(4H)quinazolin-3-yl)benzoic acid (E)-(2-hydroxyphenylmethylidene)hydrazide 1237019-85-0 C28H18Br2N4O3
4-(2-phenyl-6,8-dibromo-4-oxo-(4H)quinazolin-3-yl)benzoic acid (E)-(2-hydroxyphenylmethylidene)hydrazide
—— 4-(2-phenyl-6,8-dibromo-4-oxo-(4H)quinazolin-3-yl)benzoic acid (E)-(phenylmethylidene)hydrazide 1237019-74-7 C28H18Br2N4O2
4-(2-phenyl-6,8-dibromo-4-oxo-(4H)quinazolin-3-yl)benzoic acid (E)-(phenylmethylidene)hydrazide
—— 4-benzyloxy-2-dimethylcarbamoylsulfanylbenzoic acid methyl ester 863905-25-3 C18H19NO4S
4-benzyloxy-2-dimethylcarbamoylsulfanylbenzoic acid methyl ester
—— 4-chloro-7-[3-(trifluoromethyl)pyridin-2-yl]quinoline 1220632-28-9 C15H8ClF3N2
4-chloro-7-[3-(trifluoromethyl)pyridin-2-yl]quinoline
—— 4-(2',4',6'-trichloro-3',5'-difluorophenoxy)-pentafluorocyclohexa-2,5-dien-1-one 28082-72-6 C12Cl3F7O2
4-(2',4',6'-trichloro-3',5'-difluorophenoxy)-pentafluorocyclohexa-2,5-dien-1-one
—— 4-Chlorocarbonyl-piperazine-1-carboxylic acid methyl ester 253175-62-1 C7H11ClN2O3
4-Chlorocarbonyl-piperazine-1-carboxylic acid methyl ester
—— 4,6-dimethyl-3-(4,4,4-trifluorobut-2-enoyl)pyridin-2(1H)-one 813448-74-7 C11H10F3NO2
4,6-dimethyl-3-(4,4,4-trifluorobut-2-enoyl)pyridin-2(1H)-one
—— 4-Methyl-1,2,5-oxadiazole-3-sulfonyl chloride 1198084-53-5 C3H3ClN2O3S
4-Methyl-1,2,5-oxadiazole-3-sulfonyl chloride
—— 4-(2-phenyl-6,8-dibromo-4-oxo-(4H)quinazolin-3-yl)-N-[4-oxo-2-phenyl-5-diethylaminomethylthiazolidin-3-yl]benzamide 1237020-00-6 C35H31Br2N5O3S
4-(2-phenyl-6,8-dibromo-4-oxo-(4H)quinazolin-3-yl)-N-[4-oxo-2-phenyl-5-diethylaminomethylthiazolidin-3-yl]benzamide
—— 4-(2,5-dichloro-phenoxy)-butyric acid 7170-69-6 C10H10Cl2O3
4-(2,5-dichloro-phenoxy)-butyric acid
—— 4-Methyl-5-oxido-1,2,5-oxadiazol-5-ium-3-sulfonyl chloride 1198084-47-7 C3H3ClN2O4S
4-Methyl-5-oxido-1,2,5-oxadiazol-5-ium-3-sulfonyl chloride
—— 4-(2-{4-[4-(N-hydroxycarbamimidoyl)phenyl]piperazin-1-yl}ethyl)piperidine-1-carboxylic acid tert-butyl ester 918884-32-9 C23H37N5O3
4-(2-{4-[4-(N-hydroxycarbamimidoyl)phenyl]piperazin-1-yl}ethyl)piperidine-1-carboxylic acid tert-butyl ester
—— 4,5-dichloro-6-methoxy-2-methylpyridazin-3-one 98142-33-7 C6H6Cl2N2O2
4,5-dichloro-6-methoxy-2-methylpyridazin-3-one
—— 4-(5,5-dimethyl-2-oxodioxolan-3-ylmethyl)phenoxyacetic acid 299175-89-6 C14H16O6
4-(5,5-dimethyl-2-oxodioxolan-3-ylmethyl)phenoxyacetic acid
—— 4-diethylamino-5-methyl-6-phenylthieno[2,3-d]pyrimidine 1101198-29-1 C17H19N3S
4-diethylamino-5-methyl-6-phenylthieno[2,3-d]pyrimidine
—— 4-hydroxy-2-methoxymethyl-7-(3-trifluoromethyl-pyridin-2-yl)-[1,8]naphthyridine-3-carboxylic acid methyl ester 832692-60-1 C18H14F3N3O4
4-hydroxy-2-methoxymethyl-7-(3-trifluoromethyl-pyridin-2-yl)-[1,8]naphthyridine-3-carboxylic acid methyl ester
—— (4S,5S)-10-(tert-butyldimethylsilyloxy)-5-(4-methoxybenzyloxy)-5-(trityloxymethyl)deca-2,8-diyn-4-ol 1403953-34-3 C44H52O5Si
(4S,5S)-10-(tert-butyldimethylsilyloxy)-5-(4-methoxybenzyloxy)-5-(trityloxymethyl)deca-2,8-diyn-4-ol
—— 4-Amino-1-(3-methyl-butyl)-1H-pyrrole-2-carboxylic acid [2-(N-methylcarbamimidoyl)-ethyl]-amide 404336-19-2 C14H25N5O
4-Amino-1-(3-methyl-butyl)-1H-pyrrole-2-carboxylic acid [2-(N-methylcarbamimidoyl)-ethyl]-amide
—— (4S,5S)-5-(4-methoxybenzyloxy)-4-(methoxymethoxy)-3,8-dimethyl-5-(trityloxymethyl)-4,5,6,7-tetrahydroazulen-2(1H)-one 1403953-37-6 C42H44O6
(4S,5S)-5-(4-methoxybenzyloxy)-4-(methoxymethoxy)-3,8-dimethyl-5-(trityloxymethyl)-4,5,6,7-tetrahydroazulen-2(1H)-one
—— 4-(benzyloxy)-2-(trifluoromethyl)benzoic acid 790695-23-7 C15H11F3O3
4-(benzyloxy)-2-(trifluoromethyl)benzoic acid
—— 4-Diethoxymethyl-2-hexylsulfanyl-pyrimidine 863672-54-2 C15H26N2O2S
4-Diethoxymethyl-2-hexylsulfanyl-pyrimidine
—— 4-chloro-2-methoxymethyl-7-(3-trifluoromethyl-pyridin-2-yl)-[1,8]napthyridine 832692-59-8 C16H11ClF3N3O
4-chloro-2-methoxymethyl-7-(3-trifluoromethyl-pyridin-2-yl)-[1,8]napthyridine
—— 4-chloro-N-{[3-(4-chlorophenyl)-4-phenyl-4,5-dihydro-1H-pyrazolyl]-[7-(1,2,3,4-tetrahydroacridin-9-yl-amino)butylamino]methylene}benzene sulfonamide 1034783-26-0 C39H38Cl2N6O2S
4-chloro-N-{[3-(4-chlorophenyl)-4-phenyl-4,5-dihydro-1H-pyrazolyl]-[7-(1,2,3,4-tetrahydroacridin-9-yl-amino)butylamino]methylene}benzene sulfonamide
—— 4-methoxy-7-[3-(trifluoromethyl)pyridin-2-yl]quinoline 1220632-27-8 C16H11F3N2O
4-methoxy-7-[3-(trifluoromethyl)pyridin-2-yl]quinoline
—— 4-chloro-5,6-dimethoxy-2-methylpyridazin-3-one 330946-22-0 C7H9ClN2O3
4-chloro-5,6-dimethoxy-2-methylpyridazin-3-one
—— 4-(2-aminoethyl)-2-chloroaniline 180149-11-5 C8H11ClN2
4-(2-aminoethyl)-2-chloroaniline
—— 4-Chloro-N-(4-hydroxy-3,5-diisopropyl-phenyl)-benzenesulfonamide 75531-61-2 C18H22ClNO3S
4-Chloro-N-(4-hydroxy-3,5-diisopropyl-phenyl)-benzenesulfonamide
—— 4-Acetyl-5-(3-chloro-phenyl)-dihydro-furan-2-one 83144-14-3 C12H11ClO3
4-Acetyl-5-(3-chloro-phenyl)-dihydro-furan-2-one
—— 4-chloro-2-methoxy-7-[3-(trifluoromethyl)pyridin-2-yl]quinoline 1220632-25-6 C16H10ClF3N2O
4-chloro-2-methoxy-7-[3-(trifluoromethyl)pyridin-2-yl]quinoline
—— (4-Bromo-phenyl)-(4-fluoro-phenyl)-diazene 42917-33-9 C12H8BrFN2
(4-Bromo-phenyl)-(4-fluoro-phenyl)-diazene
—— 4-(2-(5-chloropyridin-2-yl)ethyl)-1-(2,3,4,5-tetrahydro-1H-benzofuro[3,2-c]azepin-8-yl)piperazin-2-one hydrochloride 1613398-77-8 C23H25ClN4O2*ClH
4-(2-(5-chloropyridin-2-yl)ethyl)-1-(2,3,4,5-tetrahydro-1H-benzofuro[3,2-c]azepin-8-yl)piperazin-2-one hydrochloride
—— 4-{[(4-Fluorophenyl)imino]methyl}-2-methoxyphenol 3382-69-2 C14H12FNO2
4-{[(4-Fluorophenyl)imino]methyl}-2-methoxyphenol
—— 4-(1H-Benzoimidazol-2-yl)-5-methylsulfanyl-2H-pyrazol-3-ylamine 573976-49-5 C11H11N5S
4-(1H-Benzoimidazol-2-yl)-5-methylsulfanyl-2H-pyrazol-3-ylamine
—— 4-(1H-benzimidazol-2-yl)-N<sup>3</sup>-phenyl-1H-pyrazol-3,5-diamine 573976-51-9 C16H14N6
4-(1H-benzimidazol-2-yl)-N<sup>3</sup>-phenyl-1H-pyrazol-3,5-diamine
—— 4-methyl-3-methylsulfinyl-2,2-dioxo-1-phenyl-1H-thieno<3,4-c><1,2>thiazine 220966-83-6 C14H13NO3S3
4-methyl-3-methylsulfinyl-2,2-dioxo-1-phenyl-1H-thieno<3,4-c><1,2>thiazine
—— (4-trimethylsilylethynyl)benzylamine acetic acid salt 721968-87-2 C2H4O2*C12H17NSi
(4-trimethylsilylethynyl)benzylamine acetic acid salt