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共有 22211 条记录
144689-23-6 Olmesartan Ethyl Ester 4-(2-Hydroxypropan-2-yl)-2-propyl-1-({4-[2-(2H-1,2,3,4-tetrazol-5-yl)phenyl]phenyl}methyl)-1H-imidazole-5-carboxylic acid ethyl ester Olmesartan Ethyl Ester 4-(2-Hydroxypropan-2-yl)-2-propyl-1-({4-[2-(2H-1,2,3,4-tetrazol-5-yl)phenyl]phenyl}methyl)-1H-imidazole-5-carboxylic acid ethyl ester 杂质-对照品 (3家)
37744-65-3 Lincomycin EP Impurity B Methyl 6,8-Dideoxy-6-[[[(2S,4EZ)-1-methyl-4-propylidenepyrrolidin-2-yl]carbonyl]amino]-1-thio-D-erythro-α-D-galacto-octopyranoside Lincomycin EP Impurity B Methyl 6,8-Dideoxy-6-[[[(2S,4EZ)-1-methyl-4-propylidenepyrrolidin-2-yl]carbonyl]amino]-1-thio-D-erythro-α-D-galacto-octopyranoside 杂质-对照品 (1家)
77868-44-1 Iopamidol EP Impurity J N-(2-Hydroxyethyl)-N’-[2-hydroxy-1-(hydroxymethyl)ethyl]-5-[[(2S)-2-hydroxypropanoyl]amino]-2,4,6-triiodobenzene-1,3-dicarboxamide Iopamidol EP Impurity J N-(2-Hydroxyethyl)-N’-[2-hydroxy-1-(hydroxymethyl)ethyl]-5-[[(2S)-2-hydroxypropanoyl]amino]-2,4,6-triiodobenzene-1,3-dicarboxamide 杂质-对照品 (1家)
154-21-2 Clindamycin HCl EP Impurity A Methyl 6,8-dideoxy-6-[[[(2S,4R)-1-methyl-4-propylpyrrolidin-2-yl]carbonyl] amino]-1-thio-D-erythro-α-D-galacto-octopyranoside Clindamycin HCl EP Impurity A Methyl 6,8-dideoxy-6-[[[(2S,4R)-1-methyl-4-propylpyrrolidin-2-yl]carbonyl] amino]-1-thio-D-erythro-α-D-galacto-octopyranoside 杂质-对照品 (1家)
17652-24-3 Budesonide 17,21-Diacetyloxy Impurity 11β,17,21-Trihydroxypregna-1,4-diene-3,20-dione (11β)-17,21-Bis(acetyl oxy)-11-hydroxypregna-1,4-diene-3,20-dione   Budesonide 17,21-Diacetyloxy Impurity 11β,17,21-Trihydroxypregna-1,4-diene-3,20-dione (11β)-17,21-Bis(acetyl oxy)-11-hydroxypregna-1,4-diene-3,20-dione   杂质-对照品 (1家)
1329745-98-3 (base) � EsCitalopram EP Impurity G 4-(Dimethylamino)-1-[(1RS)-1-[3- (dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2- benzofuran-5-yl]butan-1-one oxalate � EsCitalopram EP Impurity G 4-(Dimethylamino)-1-[(1RS)-1-[3- (dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2- benzofuran-5-yl]butan-1-one oxalate � 杂质-对照品 (1家)
56735-29-6 ALPHA-(乙酰亚肼基)苯乙酰肼（腙腙，Z和E异构体的混合物） Benzhydrazide Related Compound (Hydrazide Hydrazone, Mixture of Z and E Isomers) Benzhydrazide Related Compound (Hydrazide Hydrazone, Mixture of Z and E Isomers) 杂质-对照品 (4家)
67474-97-9 (6R-trans)-3-[(Acetyloxy)methyl]-7-[(3-methoxy-1-methyl-3-oxo-1-propenyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate N,N-Diethylethanamine (6R-trans)-3-[(Acetyloxy)methyl]-7-[(3-methoxy-1-methyl-3-oxo-1-propenyl)amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate N,N-Diethylethanamine 杂质-对照品 (1家)
1114834-63-7 (2S)-2-Methylbutanoic Acid (1S,3S,7S,8S,8aR)-8-[2-[(2R)-3,6-Dihydro-6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3-hydroxy-7-methyl-1-naphthalenyl Ester (2S)-2-Methylbutanoic Acid (1S,3S,7S,8S,8aR)-8-[2-[(2R)-3,6-Dihydro-6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3-hydroxy-7-methyl-1-naphthalenyl Ester 杂质-对照品 (1家)
75323-62-5 [2R-(2α,5α,10aβ,10bα)]-Octahydro-10b-hydroxy-2-methyl-3,6,8-trioxo-5-(phenylmethyl)-8H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazine-2-carboxylic Acid Ethyl Ester [2R-(2α,5α,10aβ,10bα)]-Octahydro-10b-hydroxy-2-methyl-3,6,8-trioxo-5-(phenylmethyl)-8H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazine-2-carboxylic Acid Ethyl Ester 杂质-对照品 (1家)
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