4开头化工名词
		
		
		
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	      	4,7-Methano-1H-isoindole-1,3(2H)-dione,2-[2-(diethylamino)ethyl]-3a,4,7,7a-tetrahydro-, hydrochloride
	        3a,4,7,7a-四氢-2-(2-(二乙基氨基)乙基)-4,7-甲桥-1H-异吲哚-1,3(2H)-二酮单盐酸盐
	      
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	      	4H-Thieno[3,4-b][1,5]benzodiazepine,4-methyl-10-(4-methyl-1-piperazinyl)-, hydrochloride (1:2)
	        环戊羧酸,3-氨基-,甲基酯, (1R,3S)-rel-
	      
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	      	4,5-Pyrimidinediamine,6-chloro-2-(trifluoromethyl)-
	        6-氯-2-(三氟甲基)-4,5-嘧啶二胺
	      
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	      	4,8,9-Metheno-4H-cyclopenta[1,2-a:4,3-a']dipentalene-4,10-dicarboxylicacid, 1,2,3,3b,4a,5,6,7,8,8a,8b
	        二乙基 1,2,3,3b,4a,5,6,7,8,8a,8b,9-十二氢-1,5-二羰基-4,8,9-甲桥-4H-环戊二烯并(1,2-a:4,3-a\')二戊搭烯-4,10-二羧酸酯
	      
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	      	4,6(1H,5H)-Pyrimidinedione,5-ethyl-5-hexyldihydro-2-thioxo-, sodium salt (1:1)
	        5-乙基-5-己基-2-钠硫基-4,6(1H,5H)-嘧啶二酮
	      
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	      	4-Pyridinamine,N-(3,3-diphenylpropyl)-, hydrochloride (1:1)
	        N-(3,3-二苯基丙基)吡啶-4-胺单盐酸盐
	      
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	      	4-Morpholinebutanenitrile,a-ethyl-a-1-naphthalenyl-
	        2-乙基-4-吗啉-4-基-2-萘-1-基丁腈
	      
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	      	4-Thiazolidinecarboxylicacid, 3-(2-aminoacetyl)-2-methyl-, ethyl ester, hydrobromide (1:1)
	        乙基 3-甘氨酰-2-甲基-1,3-噻唑烷-4-羧酸酯氢溴化
	      
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	      	4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 3,3-dimethyl-7-oxo-6-[(phenylacetyl)amino]-, 2-(d
	        喷沙西林氢碘酸盐
	      
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	      	4-Thiazoleacetic acid,2-(4-chlorophenyl)-, ethyl ester
	        2-(4-氯苯基)噻唑-4-乙酸乙酯
	      
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	      	4(3H)-Quinazolinone,2-[[[4-[(4-methoxyphenyl)methylene]-5-oxo-2-thioxo-1-imidazolidinyl]imino]methyl]
	        2-[(E)-[(4E)-4-[(4-甲氧基苯基)亚甲基]-5-氧代-2-巯基咪唑烷-1-基]亚氨基甲基]-3-苯基喹唑啉-4-酮
	      
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	      	4-Morpholinepropanamine,N,N-dimethyl-
	        N,N-二甲基-4-吗啉丙胺
	      
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	      	4-Oxazolemethanol,4,5-dihydro-4-methyl-2-tridecyl-
	        (4-甲基-2-十三烷基-4,5-二氢-1,3-恶唑-4-基)甲醇
	      
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	      	4H-1-Benzopyran-2-carboxamide,6-chloro-4-oxo-N-[4-[(2-pyridinylamino)sulfonyl]phenyl]-
	        6-氯-4-氧代-N-[4-(2-吡啶基氨基磺酰基)苯基]-4H-1-苯并吡喃-2-甲酰胺
	      
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	      	4,8,12-Tetradecatrienoicacid, 5,9,13-trimethyl-
	        法呢基乙酸
	      
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	      	4H-Pyrido[4',3':4,5]thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-9(8H)-carbothioamide,6-(4-chlor
	        4H-吡啶并[4\',3\':4,5]噻吩并[3,2-f][1,2,4]三唑并[4,3-a][1,4]二氮杂卓-9(8H)-甲硫代酰胺,6-(4-氯苯基)-7,10-二氢-N-(4-羟基苯基)-1-甲基-
	      
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	      	4-Pentenoic acid,2-amino-4-chloro-, (S)- (9CI)
	        2-氨基-4-氯-4-戊烯酸
	      
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	      	4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(2-hydroxyphenyl)-
	        5,7,2-三羟基黄酮
	      
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	      	4-Thiazolidinecarboxylicacid, 2-[4,5-dihydro-2-(2-hydroxyphenyl)-4-thiazolyl]-3,4-dimethyl- (9CI)
	        4-异噻唑丁酸,甲基酯(9CI)
	      
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	      	4-Piperidinol,5-[(dipropylamino)methyl]-1,2,5-trimethyl-4-phenyl-, 4-acetate, hydrochloride(1:2)
	        苯,4-碘-2-甲氧基-1-甲基-
	      
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	      	4H-Pyrrolo[2,3-d]pyrimidin-4-one,2-amino-7-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy
	        2-氨基-7-[2-脱氧-5-O-[羟基[[羟基(磷酰氧基)亚膦酰]氧基]亚膦酰]-beta-D-赤式-呋喃戊糖基]-1,7-二氢-4H-吡咯并[2,3-d]嘧啶-4-酮
	      
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	      	4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-(2-hydroxy-4-methoxyphenyl)-6,8-dimethyl-, (S)-(9CI
	        (2S)-5,7-二羟基-2-(2-羟基-4-甲氧基苯基)-6,8-二甲基色满-4-酮
	      
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	      	4-Morpholinepropanamine,N-[[4-(dimethylamino)phenyl]methyl]-
	        二甲基-[4-[(3-吗啉-4-丙氨基)甲基]苯基]胺
	      
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	      	4H-1-Benzopyran-2-carboxylicacid, 6-nitro-4-oxo-, ethyl ester
	        6-硝基-4-氧代-4H-1-苯并吡喃-2-羧酸乙酯
	      
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	      	4-Cyclopentene-1,3-dione,2,2-dichloro-
	        2,2-二氯环戊-4-烯-1,3-二酮
	      
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	      	4H-Pyrazolo[4,3-c]pyridin-4-one,3-amino-2,5-dihydro-6-hydroxy-2-phenyl-
	        3-氨基-2-苯基-2H-吡唑并[4, 3-c]吡啶-4,6-二醇
	      
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	      	4H-1-Benzopyran-4-one,5,7-dimethoxy-2-(4-methoxyphenyl)-
	        5,7,4-三甲氧基黄酮
	      
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	      	4H-1-Benzopyran-4-one,6-ethyl-5,6,7,8-tetrahydro-5-hydroxy-3-(hydroxymethyl)-, (5S,6R)-
	        (5S,6R)-6-乙基-5,6,7,8-四氢-5-羟基-3-(羟基甲基)-4H-1-苯并吡喃-4-酮
	      
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	      	4(3H)-Quinazolinone,2-(ethylthio)-3-phenyl-
	        2-(乙硫基)-3-苯基喹唑啉-4(3H)-酮
	      
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	      	4(3H)-Quinazolinone,2-[4-[3-[(1,1-dimethylethyl)amino]-2-hydroxypropoxy]phenyl]-6-methoxy-3-methyl-
	        2-[4-[3-[叔丁基氨基]-2-羟基丙氧基]苯基]-6-甲氧基-3-甲基-4(3H)-喹唑啉酮
	      
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	      	4H-1-Benzopyran-4-one,6-[(diethylamino)methyl]-3-methyl-2-phenyl-
	        黄胺
	      
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	      	4-Oxazolecarboxylicacid, 2-(chloromethyl)-, methyl ester
	        (2-氯甲基)恶唑-甲酸甲酯
	      
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	      	4H-1-Benzopyran-4-one,2-(2,6-dimethoxyphenyl)-
	        2-(4-叔-丁基苯氧基)环己醇
	      
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	      	4H-1-Benzopyran-4-one,6-[4-(5,7-dihydroxy-4-oxo-4H-1-benzopyran-2-yl)phenoxy]-5,7-dihydroxy-2-(4-hydr
	        日本扁柏黄酮
	      
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	      	4-Piperidinecarboxylicacid, 4-(4-chlorophenyl)-1-[(4-methylphenyl)sulfonyl]-
	        4-(4-氯苯基)-1-(对甲苯基磺酰基)哌啶-4-羧酸
	      
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	      	4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 6-bromo-3,3-dimethyl-7-oxo-, (2S,5R,6R)-
	        溴巴坦
	      
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	      	4H-1-Benzopyran-4-one,8-[2-O-[(2E)-3-(4-hydroxyphenyl)-1-oxo-2-propen-1-yl]-b-D-glucopyranosyl]-2-[(2
	        4\'\'-甲氧基大豆苷
	      
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	      	4H-Naphtho[2,3-b]pyran-4-one,6-(b-D-glucopyranosyloxy)-5-hydroxy-8-methoxy-2-methyl-
	        镰刀菌丝红素-6-葡萄糖苷
	      
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	      	4(1H)-Quinolinone,6-chloro-2,3-dihydro-1-(3-methyl-1-oxobutyl)-, 4-oxime
	        5-氰基-2,4,6-三碘异酞酸
	      
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	      	4-Thiazolidinone,2-(1H-indol-3-yl)-3-[(4-methoxyphenyl)methyl]-
	        2-(1H-吲哚-3-基)-3-(4-甲氧基苄基)-1,3-噻唑烷-4-酮
	      
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	      	4H-1-Benzopyran-2-carboxylicacid, 7,7'-[(2-hydroxy-1,3-propanediyl)bis(oxy)]bis[4-oxo-
	        1,3-二(2-羧基色原酮-7-氧基)-2-羟基丙烷
	      
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	      	4(1H)-Pyridinone,1-(2-aminoethyl)-3-hydroxy-
	        1-(2-氨基乙基)-3-羟基吡啶-4-酮
	      
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	      	4-Pyridinebutanoicacid, a,g-dioxo-, methyl ester
	        2,4-二氧代-4-吡啶-4-丁酸甲酯
	      
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	      	4H-1-Benzopyran-4-one,5-(b-D-glucopyranosyloxy)-2,3-dihydro-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-,
	        PERSICOSIDE
	      
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	      	4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 6-[(1,3-dioxo-3-phenoxy-2-phenylpropyl)amino]-3,3
	        卡非西林钠
	      
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	      	4H-1,3,5-Dithiazine,dihydro-5-nitroso-
	        N-亚硝基二噻嗪
	      
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	      	4-Pyrimidinecarboxylicacid, hexahydro-2-oxo-6-thioxo-, (4S)-
	        (4S)-2-氧代-6-硫代-1,3-二嗪农-4-羧酸
	      
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	      	4-Thiazolecarboxylicacid, 2-amino-4,5-dihydro-
	        2-氨基-2-噻唑啉-4-羧酸
	      
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	      	4-Piperidinecarboxylicacid, 1-(2-formylphenyl)-, ethyl ester
	        1-(2-甲酰苯基)哌啶-4-羧酸乙酯
	      
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	      	4-Imidazolidinone,1-benzoyl-2-(1,1-dimethylethyl)-3-methyl-, (2S)-
	        (S)-1-苯甲酰-2-叔丁基-3-甲基-4-咪唑烷酮