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共有 50922 条记录
18323-43-8 Clindamycin HCl EP Impurity B Methyl 7-chloro-6,7,8-trideoxy-6-[[[(2S,4R)-4-ethyl-1-methylpyrrolidin-2-yl]carbonyl]amino]-1-thio-L-threo-α-D-galacto-octopyranoside Clindamycin HCl EP Impurity B Methyl 7-chloro-6,7,8-trideoxy-6-[[[(2S,4R)-4-ethyl-1-methylpyrrolidin-2-yl]carbonyl]amino]-1-thio-L-threo-α-D-galacto-octopyranoside 杂质-对照品 (6家)
22431-46-5 Clindamycin Sulfoxide 7-Chloro-1,6,7,8-tetradeoxy-6-[[[(2S,4R)-1-methyl-4-propyl-2-pyrrolidinyl] carbonyl]amino]-1-(methylsulfinyl)-L-threo-α-D-galactooctopyranose Clindamycin Sulfoxide 7-Chloro-1,6,7,8-tetradeoxy-6-[[[(2S,4R)-1-methyl-4-propyl-2-pyrrolidinyl] carbonyl]amino]-1-(methylsulfinyl)-L-threo-α-D-galactooctopyranose 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)
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)
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)
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)
1034298-00-4 Ethinylestradiol 1-Hydroxy 4-Methyl Impurity (8S,9S,13S,14S,17R)-17-Ethynyl-4,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-1,17-diol Ethinylestradiol 1-Hydroxy 4-Methyl Impurity (8S,9S,13S,14S,17R)-17-Ethynyl-4,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-1,17-diol 杂质-对照品 (2家)
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