4开头化工名词
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4,4-dimethyl-5-propan-2-ylidenedithiolane-3-thione
4,4-dimethyl-5-propan-2-ylidenedithiolane-3-thione
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4-cyano-4-{3-[4-(2-methyl-1H-imidazol-1-yl)phenylthio]}phenyl-3,4,5,6-tetrahydro-2H-pyran
4-cyano-4-{3-[4-(2-methyl-1H-imidazol-1-yl)phenylthio]}phenyl-3,4,5,6-tetrahydro-2H-pyran
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4-cyclopentylbenzaldehyde
4-环戊基苯甲醛
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4-((4-bromo-3-chlorophenyl)amino)-4-oxobut-2-enoic acid
4-((4-bromo-3-chlorophenyl)amino)-4-oxobut-2-enoic acid
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4-(1,1-dimethylethyl)cyclohexen-1-yltrimethylsilane
4-(1,1-dimethylethyl)cyclohexen-1-yltrimethylsilane
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4,5α-epoxy-3-methoxymethoxy-17-methyl-morphinan-6-one
4,5α-epoxy-3-methoxymethoxy-17-methyl-morphinan-6-one
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4-isopropylamino-3-nitrobenzoic acid methyl ester
4-isopropylamino-3-nitrobenzoic acid methyl ester
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4-(difluoromethyl)benzaldehyde
4-(difluoromethyl)benzaldehyde
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4-(4-methoxyphenyl)-5-pyridin-3-yl-1,3-thiazol-2-amine
4-(4-methoxyphenyl)-5-pyridin-3-yl-1,3-thiazol-2-amine
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4-bromobicyclo[2.2.2]octane-1-carboxylic acid
4-bromobicyclo[2.2.2]octane-1-carboxylic acid
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4-((3,4-bis(methoxymethoxy)phenyl)(oxiran-2-yl)methoxy)-3-hydroxybenzaldehyde
4-((3,4-bis(methoxymethoxy)phenyl)(oxiran-2-yl)methoxy)-3-hydroxybenzaldehyde
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4,5 dihydro 5 methyl 4 oxo 5 phenyl 2 furancarboxylic acid
4,5 dihydro 5 methyl 4 oxo 5 phenyl 2 furancarboxylic acid
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4-(3,4-dimethoxyphenyl)-5-methyl-2-phenylpyrazol-3-amine
4-(3,4-dimethoxyphenyl)-5-methyl-2-phenylpyrazol-3-amine
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4-[7-(4-acetoxy-3-methoxyphenyl)-5-hydroxy-3-oxohepta-1,4,6-trienyl]-2-methoxyphenyl acetate
4-[7-(4-acetoxy-3-methoxyphenyl)-5-hydroxy-3-oxohepta-1,4,6-trienyl]-2-methoxyphenyl acetate
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4-amino-2-methyl-[1,2,4]triazino[3,2-b]quinazoline-3,10-dione
4-amino-2-methyl-[1,2,4]triazino[3,2-b]quinazoline-3,10-dione
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4-amino-6-methyl-3-prop-2-enylsulfanyl-1,2,4-triazin-5-one
4-amino-6-methyl-3-prop-2-enylsulfanyl-1,2,4-triazin-5-one
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4-bromo-2,6-bis-(2-hydroxy-3,5-dimethyl-benzyl)-phenol
4-bromo-2,6-bis-(2-hydroxy-3,5-dimethyl-benzyl)-phenol
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4-methylidene-1-trimethylsilylhex-1-en-3-ol
4-methylidene-1-trimethylsilylhex-1-en-3-ol
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4-methoxybenzene-1,2,3-triol
4-methoxybenzene-1,2,3-triol
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4-nitro-3'-(tert-butoxycarbonyl)biphenyl
4-nitro-3\'-(tert-butoxycarbonyl)biphenyl
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4-[[tert-butyl(dimethyl)silyl]oxymethyl]-2H-furan-5-one
4-[[tert-butyl(dimethyl)silyl]oxymethyl]-2H-furan-5-one
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4-(2-Piperidinyl)pyridine
4-(2-Piperidinyl)pyridine
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4-(4-methylphenyl)pyrrolidin-2-one
4-(4-甲基苯基)-2-吡咯烷酮
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4,6-Dibromo-3-methyl-2(3H)-benzothiazolone
4,6-Dibromo-3-methyl-2(3H)-benzothiazolone
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4-ethoxy-6-methyl-2-methylsulfanyl-pyrimidine
4-ethoxy-6-methyl-2-methylsulfanyl-pyrimidine
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4-hydroxy-5,6-dimethyl-7-benzyl-pyrrolo[2,3-d]pyrimidine
4-hydroxy-5,6-dimethyl-7-benzyl-pyrrolo[2,3-d]pyrimidine
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4,5a,6,9,9a,9b-hexahydro-1H-dibenzofuran-4a-ylmethanol
4,5a,6,9,9a,9b-hexahydro-1H-dibenzofuran-4a-ylmethanol
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4-(2-methoxytetrahydrofuran-3-yl)pentan-2-one
4-(2-methoxytetrahydrofuran-3-yl)pentan-2-one
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4-hydroxy-5-oxopentanoic acid lactone
4-hydroxy-5-oxopentanoic acid lactone
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4-(1-(ethylthio)-1-phenylpropyl)pyridine
4-(1-(ethylthio)-1-phenylpropyl)pyridine
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4-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)but-3-yn-2-ol
4-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)but-3-yn-2-ol
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4-(chloromethyl)-1,3-thiazole-2-carbonyl chloride
4-(氯甲基)-1,3-噻唑-2-甲酰氯
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4-bromobutanoyl bromide
4-Bromobutyrylbromide
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4-benzylidene-3-phenyl-1,2-oxazol-5-one
4-benzylidene-3-phenyl-1,2-oxazol-5-one
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4-methyl-1-nitroheptane-3,5-dione
4-methyl-1-nitroheptane-3,5-dione
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4-(2,4-dimethyl-phenyl)-butyric acid amide
4-(2,4-dimethyl-phenyl)-butyric acid amide
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4-hydroxy-3-nitro-6-(trifluoromethyl)-1H-pyridin-2-one
3-硝基-6-(三氟甲基)吡啶-2,4-二醇
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4-methylbenzenesulfonic acid,4-thiophen-2-ylbutan-1-ol
4-methylbenzenesulfonic acid,4-thiophen-2-ylbutan-1-ol
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4-(2-chloro-4-nitrophenyl)-butan-2-one
4-(2-chloro-4-nitrophenyl)-butan-2-one
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4-(4-nitrobenzoyl)benzonitrile
4-(4-nitrobenzoyl)benzonitrile
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4-(1-benzyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)pyridine
4-(1-benzyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)pyridine
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4-methylsulfanyl-2,6-diphenyl-pyrylium, iodide
4-methylsulfanyl-2,6-diphenyl-pyrylium, iodide
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4(R)-azido-5(S)-[[(tert-butyldimethylsilyl)oxy]methyl]-3,4-dihydro-5H-furan-2-one
4(R)-azido-5(S)-[[(tert-butyldimethylsilyl)oxy]methyl]-3,4-dihydro-5H-furan-2-one
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4-isocyanato-4-methylpentan-2-one
2-Pentanone, 4-isocyanato-4-methyl- (9CI)
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4-nitro-4'-n-pentylbiphenyl
4-nitro-4\'-n-pentylbiphenyl
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4-(4-chlorophenyl)sulfanyliminocyclohexa-2,5-dien-1-one
4-(4-chlorophenyl)sulfanyliminocyclohexa-2,5-dien-1-one
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4-(N-acetyl-sulfanilyl)-piperazine-1-carboxylic acid ethyl ester
4-(N-acetyl-sulfanilyl)-piperazine-1-carboxylic acid ethyl ester
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4-oxo-5-(tetrahydro-2H-pyran-4-yloxy)-3,4-dihydroxyquinazolin-7-yl acetate
4-oxo-5-(tetrahydro-2H-pyran-4-yloxy)-3,4-dihydroxyquinazolin-7-yl acetate
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4-hydroxy-4-(5-methyl-3-phenyl-1,4,2-dioxazol-5-yl)butan-2-one
4-hydroxy-4-(5-methyl-3-phenyl-1,4,2-dioxazol-5-yl)butan-2-one
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4-Fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol e
4-Fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol e