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共有 40658 条记录
1246817-77-5 N-[S-Methanethiosulfonylcystaminyl]diethylenetriaminepentaacetic Acid, Monoamide (2:1 mixture of penta-acid to monoamide; approximately 30%) N-[S-Methanethiosulfonylcystaminyl]diethylenetriaminepentaacetic Acid, Monoamide (2:1 mixture of penta-acid to monoamide; approximately 30%) 杂质-对照品 (1家)
178964-53-9 Levofloxacin Descarboxy Impurity (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine Levofloxacin Descarboxy Impurity (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine 杂质-对照品 (1家)
106931-78-6 Fluocinolone Acetonide EP Impurity A 6α,9-Difluoro-11β-hydroxy-16α,17-(1-methylethylidenedioxy)-3,20-dioxopregna-1,4-dien-21-oic acid   Fluocinolone Acetonide EP Impurity A 6α,9-Difluoro-11β-hydroxy-16α,17-(1-methylethylidenedioxy)-3,20-dioxopregna-1,4-dien-21-oic acid   杂质-对照品 (2家)
22254-24-6 (anhydrous) 66985-17-9 (monohydrate) Ipratropium Bromide (1R,3r,5S,8r)-3-[[(2RS)-3-Hydroxy-2-phenylpropanoyl]oxy]-8-methyl-8-(1-methylethyl)-8-azoniabicyclo[3.2.1]octane bromide Ipratropium Bromide (1R,3r,5S,8r)-3-[[(2RS)-3-Hydroxy-2-phenylpropanoyl]oxy]-8-methyl-8-(1-methylethyl)-8-azoniabicyclo[3.2.1]octane bromide 杂质-对照品 (1家)
147200-03-1 Dorzolamide N-Desethyl N-Acetyl Impurity (4S,6S)-4-(Acetylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide   Dorzolamide N-Desethyl N-Acetyl Impurity (4S,6S)-4-(Acetylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide   杂质-对照品 (1家)
76420-77-4 (rac) Enalapril EP Impurity F (2S)-1-[(2S)-2-[[(1S)-1-(Butoxycarbonyl)-3- phenylpropyl]amino]propanoyl]pyrrolidine-2-carboxylic acid hydrochloride Enalapril EP Impurity F (2S)-1-[(2S)-2-[[(1S)-1-(Butoxycarbonyl)-3- phenylpropyl]amino]propanoyl]pyrrolidine-2-carboxylic acid hydrochloride 杂质-对照品 (1家)
170729-76-7 Aprepitant EP Impurity A 5-([(2R,3S)-2-((R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy)-3-phenyl morpholino]methyl)-1H-1,2,4-triazol-3(2H)-one Aprepitant EP Impurity A 5-([(2R,3S)-2-((R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy)-3-phenyl morpholino]methyl)-1H-1,2,4-triazol-3(2H)-one 杂质-对照品 (1家)
112289-92-6 Benzyl 4-O-(2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)-2-deoxy-3,4,6-Tri-O-acetyl-β-D-glucopyranosl)-N-acetyl-α-D-muramic Acid Methyl Ester Benzyl 4-O-(2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)-2-deoxy-3,4,6-Tri-O-acetyl-β-D-glucopyranosl)-N-acetyl-α-D-muramic Acid Methyl Ester 杂质-对照品 (1家)
72104-34-8 Alfuzosin EP Impurity C (RS)-N-[3-[(4-Amino-6,7-dimethoxyquinazolin-2-yl)amino]propyl]-N-methyltetrahydrofuran-2-carboxamide hydrochloride  Alfuzosin EP Impurity C (RS)-N-[3-[(4-Amino-6,7-dimethoxyquinazolin-2-yl)amino]propyl]-N-methyltetrahydrofuran-2-carboxamide hydrochloride  杂质-对照品 (3家)
327178-94-9 1,2-二棕榈酰基-d62-磷酯酰-L-丝氨酸(钠盐) 1,2-dipalmitoyl-d62-sn-glycero-3-[phospho-L-serine] (sodium salt) 简写： 16:0 PS-d62 1,2-dipalmitoyl-d62-sn-glycero-3-[phospho-L-serine] (sodium salt) 杂质-对照品 (1家)
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