4开头化工名词
		
		
		
		- 
	      	4-Morpholinecarboxylicacid, 2-methyl-2-propyltrimethylene ester (8CI)
	        二(4-吗啉羧酸) 2-甲基-2-丙基三亚甲基酯
	      
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	      	4-Oxazolidinecarboxylicacid, 2-isopropyl-5-methyl- (8CI)
	        4-噁唑烷羧酸,2-异丙基-5-甲基-(8CI)
	      
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	      	4H-1,3,2-Benzodioxaphosphorin,2-(2-methylphenoxy)-, 2-oxide
	        8-(2-甲基苯氧基)-7,9-二氧杂-8lambda5-磷杂双环[4.4.0]癸-1,3,5-三烯 8-氧化物
	      
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	      	4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one,5-hydroxy-3-(5-hydroxy-2,2-dimethyl-2H-1-benzopyran-6-yl)-8,8-
	        4H,8H-苯并[1,2-b:3,4-b\']二吡喃-4-酮,5-羟基-3-(5-羟基-2,2-二甲基-2H-1-苯并吡喃-6-基)-8,8-二甲基-6-(3-甲基-2-丁烯基)-(9CI)
	      
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	      	4(3H)-Quinazolinone,2-[[2-oxo-2-(4-phenyl-1-piperazinyl)ethyl]thio]-3-phenyl-
	        2-{[2-羰基-2-(4-苯基哌嗪-1-基)乙基]硫烷基}-3-苯基喹唑啉-4(3H)-酮
	      
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	      	4H-1-Benzopyran-4-one,2-(4-hydroxyphenyl)-3-methyl-
	        2-(4-羟苯基)-3-甲基-4H-苯并吡喃-4-酮
	      
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	      	4-Pyridinecarboxylicacid, 2-phenyl-, hydrazide
	        2-苯基-4-吡啶甲酰肼
	      
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	      	4(1H)-Pyrimidinone,6-hydroxy-5-phenyl-
	        5-苯基-4,6-嘧啶二醇
	      
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	      	4H-Carbazol-4-one,1,9-dihydro-1-hydroxy-3,6-dimethoxy-1,2-dimethyl-
	        咔唑霉素H
	      
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	      	4,6(1H,5H)-Pyrimidinedione,5-butyldihydro-5-(phenylmethyl)-2-thioxo-, sodium salt (1:1)
	        5-苄基-5-丁基-2-钠硫基-4,6(1H,5H)-嘧啶二酮
	      
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	      	4(3H)-Quinazolinone,2-methyl-3-(2-methylphenyl)-, 1-oxide
	        3-甲基-L-酪氨酸
	      
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	      	4-Pyridinecarboximidamide,N-phenyl-
	        N-苯基异烟脒
	      
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	      	4-Pyridinemethanamine, a,a-dimethyl-
	        2-(4-吡啶基)-2-丙胺
	      
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	      	4-Thiazolidinecarboxylicacid, 3-[[1-(4-chlorophenoxy)cyclohexyl]carbonyl]-5,5-dimethyl-
	        N,N\'-1,4-亚苯基二(2-((2-甲氧基-4-硝基苯基)偶氮)-3-羰基丁酰胺)
	      
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	      	4(3H)-Pyrimidinone,6-methyl-2-(phenylmethyl)-
	        2-苄基-6-甲基-4(3H)-嘧啶酮
	      
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	      	4-Thiazolidinone,5-(3-ethyl-2(3H)-benzoxazolylidene)-3-phenyl-2-thioxo-
	        5-(3-乙基-2(3H)-苯并恶唑亚基)-3-苯基-2-硫代-4-噻唑烷酮
	      
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	      	4,6(1H,5H)-Pyrimidinedione,5,5-diethyldihydro-2-thioxo-
	        5,5-二乙基-2-硫代巴比妥酸
	      
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	      	4H,6H-Pyrano[3',2':6,7][1]benzopyrano[3,2-c]pyridinium,7-[[2-O-(6-deoxy-b-D-glucopyranosyl)-b-D-gluco
	        5-异喹啉胺,8-溴-
	      
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	      	4-Morpholinebutanenitrile,a-(1-methylethyl)-a-1-naphthalenyl-
	        3-甲基-2-(2-吗啉-4-基乙基)-2-萘-1-基丁腈
	      
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	      	4-Decene,1,1-diethoxy-, (4Z)-
	        顺式-4-癸烯醛的二乙基缩醛
	      
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	      	4-[2-(7-methoxy-4,4-dimethyl-1,3-dioxoisoquinolin-2-yl)ethyl]benzenesulfonamide
	        异喹啉物
	      
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	      	4-Heptanol,2,6-dimethyl-, 4-acetate
	        乙酸-2,6-二甲基-4-庚(醇)酯
	      
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	      	4-Morpholinepropanethioamide,b-oxo-
	        3-吗啉-3-氧代丙烷硫胺
	      
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	      	4,25,43,44-Tetraoxatricyclo[37.3.1.118,22]tetratetraconta-8,10,29,31-tetraene-3,16,24,37-tetrone,1,2,
	        CAS号:156312-16-2
	      
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	      	4-Octenoic acid, ethylester, (4E)-
	        反式-4-辛烯酸乙酯
	      
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	      	4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-7-methoxy-5-[(6-O-b-D-xylopyranosyl-b-D-glucopyranosyl)
	        LETHEDIOSIDE A
	      
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	      	4H-1-Benzopyran-4-one,7-[[2-O-(6-O-acetyl-b-D-glucopyranosyl)-b-D-glucopyranosyl]oxy]-2-(3,4-dihydrox
	        7-[[2-O-(6-O-乙酰基-beta-D-吡喃葡萄糖基)-beta-D-吡喃葡萄糖基]氧基]-2-(3,4-二羟基苯基)-5-羟基-4H-1-苯并吡喃-4-酮
	      
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	      	4,17,27-Hentriacontatriene-2,20,30-triynoicacid, 29-hydroxy-, (4Z,17Z,27E)-
	        (4Z,17Z,27E)-29-羟基三十一碳-4,17,27-三烯-2,20,30-三炔酸
	      
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	      	4(3H)-Pyrimidinone,2-[[1-(1H-benzimidazol-2-yl)-4-piperidinyl]methylamino]-
	        2-[[1-(1H-苯并咪唑-2-基)哌啶-4-基]-甲基氨基]-3H-嘧啶-4-酮
	      
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	      	4H-Pyrrolo[3,2-d]pyrimidin-4-one,2-amino-3,5-dihydro-7-(3-pyridinylmethyl)-
	        2-氨基-7-(吡啶-3-基甲基)-1,5-二氢吡咯并[2,3-e]嘧啶-4-酮
	      
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	      	4-Piperidinecarboxylicacid, 1-[2-(4-fluorobenzoyl)-2-propen-1-yl]-4-phenyl-, ethyl ester,hydrochlorid
	        4-氟苯基-1-亚甲基-2-(4-乙氧羰基-4-苯基哌啶并)-乙基甲酮盐酸盐
	      
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	      	4-Heptanone, 3-ethyl-
	        3-乙基-4-庚酮
	      
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	      	4-Thiazolecarboxylicacid, 2-(2-propen-1-ylamino)-,2-[3-(5-nitro-2-furanyl)-2-propen-1-ylidene]hydrazi
	        硝呋特利
	      
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	      	4-Imidazolidinone,3-[3-(dimethylamino)propyl]-5-(1-methylethyl)-2-thioxo-
	        3-[3-(二甲基氨基)丙基]-5-异丙基-2-硫代-4-咪唑烷酮
	      
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	      	4-Quinolinecarboxylicacid, 2-[(2-methylphenyl)amino]-
	        2-[(2-甲基苯基)氨基]喹啉-4-羧酸
	      
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	      	4-Thiomorpholineacetonitrile
	        1-硫代吗啉乙腈
	      
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	      	4-Morpholineacetamide, a-(4-methoxyphenyl)-
	        alpha-(4-甲氧基苯基)吗啉-4-乙酰胺
	      
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	      	4(1H)-Quinazolinone,3-(4-fluorophenyl)-2,3-dihydro-2-thioxo-
	        3-(4-氟苯基)-2-硫基氧代-2,3-二氢-1H-喹唑啉-4-酮
	      
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	      	4-Tridecanol
	        4-三癸醇
	      
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	      	4-Thiazolecarboximidicacid, 2-b-D-ribofuranosyl-, methyl ester,(E)- (9CI)
	        (2R,3S,4R,5R)-2-(羟基甲基)-5-[4-(甲氧基亚氨甲酰)-1,3-噻唑-2-基]四氢呋喃-3,4-二醇
	      
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	      	4bH-Pyrano[2'',3'':5',6']benz[1',2':6,7]indeno[1,2-b]pyrano[4',3':3,4]cyclopent[1,2-f]indole-3,4b-dio
	        4-[(4-丙基苯氧基)羰基]苯基 4-丙基苯酸酯
	      
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	      	4H-1-Benzopyran-4-one,5,6,7-tris(acetyloxy)-2-[4-(acetyloxy)phenyl]-
	        四乙酰基野黄芩素
	      
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	      	4-Quinolinecarboxylicacid, 2-[(3-methylphenyl)amino]-
	        N-[4-[[5-[1-(3-氯苯基)-5-(4-二甲氨基苯基)二氮烯基-4-甲并 xy-吡唑-3-基]-1,3,4-噁二唑-2-基]甲基氨磺酰]苯基]乙酰胺
	      
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	      	4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,6,7-trimethoxy-
	        CHRYSOSPLENETIN
	      
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	      	4,5-Pyrimidinediamine,N4-(phenylmethyl)-
	        N~4~-苯甲基嘧啶-4,5-二胺
	      
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	      	4-Undecene, (4E)-
	        (E)-十一碳-4-烯
	      
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	      	4H-1-Benzopyran-4-one,7-[(2-O-D-apio-b-D-furanosyl-b-D-glucopyranosyl)oxy]-5-hydroxy-2-(4-hydroxyphen
	        芹菜甙
	      
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	      	4(3H)-Pyrimidinone,6-amino-2,5-dimethyl-
	        6-氨基-2,5-二甲基-4-嘧啶醇
	      
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	      	4-Quinolinecarboxylicacid, 6-methyl-2-(3-pyridinyl)-
	        6-甲基-2-(3-吡啶基)喹啉-4-羧酸
	      
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	      	4-Oxazoleacetic acid,2-(4-chlorophenyl)-5-ethoxy-, ethyl ester
	        2-(4-氯苯基)-5-乙氧基-4-恶唑乙酸乙酯