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共有 52147 条记录
1598416-07-9 (1R,​3R)​-2-Aacetyl-​1-​(1,​3-​benzodioxol-​5-​yl)​-​2,​3,​4,​9-​tetrahydro-​1H-​pyrido[3,​4-​b]​indole-​3-​carboxylic Acid (1R,​3R)​-2-Aacetyl-​1-​(1,​3-​benzodioxol-​5-​yl)​-​2,​3,​4,​9-​tetrahydro-​1H-​pyrido[3,​4-​b]​indole-​3-​carboxylic Acid 杂质-对照品 (2家)
486430-93-7 (1S,2'R,3'AR,4'S,6S,7'AS)-REL-(-)- 6-(乙酰氧基)-3'A,4',5',7'A-四氢-2'-羟基-2',4,4'-三甲基螺[3-环己烯-1,3'(2'H)-[7H]呋喃并[2,3-C]吡喃]-5,7'-二酮 O-Acetylcyclocalopin A 杂质-对照品 (3家)
1099474-28-8 Atorvastatin 2-Fluoro t-Butyl Ester (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(2-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid t-butyl ester Atorvastatin 2-Fluoro t-Butyl Ester (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(2-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid t-butyl ester 杂质-对照品 (2家)
 139481-58-6 Candesartan Cilexetil EP Impurity A 2-Ethoxy-1-[[2-[1-(triphenylmethyl)-1H-tetrazol-5-yl][1,1?-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic Acid ethyl ester Candesartan Cilexetil EP Impurity A 2-Ethoxy-1-[[2-[1-(triphenylmethyl)-1H-tetrazol-5-yl][1,1?-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic Acid ethyl ester 杂质-对照品 (1家)
 721958-72-1 Amlodipine EP Impurity B 3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-[[2- [[2-(methylcarbamoyl)benzoyl]amino]ethoxy]methyl]-1,4- dihydropyridine-3,5-dicarboxylate Amlodipine EP Impurity B 3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-[[2- [[2-(methylcarbamoyl)benzoyl]amino]ethoxy]methyl]-1,4- dihydropyridine-3,5-dicarboxylate 杂质-对照品 (1家)
1346602-17-2 Tadalafil Dioxolone Impurity (6R,12aR)-6-(Benzo[d][1,3]dioxol-2-one-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b]indole-1,4-dione   Tadalafil Dioxolone Impurity (6R,12aR)-6-(Benzo[d][1,3]dioxol-2-one-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b]indole-1,4-dione   杂质-对照品 (4家)
13803-65-1 (HCl) 1665-56-1 (base) Lymecycline EP Impurity C (4S,4aS,12aS)-4-(Dimethylamino)-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide hydrochloride Lymecycline EP Impurity C (4S,4aS,12aS)-4-(Dimethylamino)-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide hydrochloride 杂质-对照品 (1家)
4465-65-0 (HCl) 7518-17-4 (Base) Lymecycline EP Impurity D (4R,4aS,12aS)-4-(Dimethylamino)-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide hydrochloride Lymecycline EP Impurity D (4R,4aS,12aS)-4-(Dimethylamino)-3,10,11,12a-tetrahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide hydrochloride 杂质-对照品 (2家)
64-75-5 (HCl) 60-54-8 (base) Lymecycline EP Impurity H (4S,4aS,5aS,6S,12aS)-4-(Dimethylamino)-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide Lymecycline EP Impurity H (4S,4aS,5aS,6S,12aS)-4-(Dimethylamino)-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide 杂质-对照品 (1家)
705974-40-9 2-[3-(Acetyloxy)-4-methoxyphenyl]-5-hydroxy-7-[[2,3,4-tri-O-acetyl-6-O-(2,3,4-tri-O-acetyl-6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl]oxy]-4H-1-benzopyran-4-one 2-[3-(Acetyloxy)-4-methoxyphenyl]-5-hydroxy-7-[[2,3,4-tri-O-acetyl-6-O-(2,3,4-tri-O-acetyl-6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl]oxy]-4H-1-benzopyran-4-one 杂质-对照品 (1家)
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