4开头化工名词
		
		
		
		- 
	      	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