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琥珀酸美托洛尔及相关杂质对照品标准品信息如下：
琥珀酸美托洛尔 Metoprolol Succinate，包装为500mg
琥珀酸美托洛尔杂质A Metoprolol Succinate Imp. A (EP)，包装为100mg
(2RS)-1-(Ethylamino)-3-[4-(2-methoxyethyl)phenoxy]propan-2-ol
琥珀酸美托洛尔杂质B Metoprolol Succinate Imp. B (EP) ，包装为100mg 4-(2-Methoxyethyl)phenol
琥珀酸美托洛尔杂质C Metoprolol Succinate Imp. C (EP) as Hydrochloride: ，包装为100mg 4-[(2RS)-2-Hydroxy-3-[(1-methylethyl)amino]propoxy]benzaldehyde Hydrochloride
琥珀酸美托洛尔杂质D Metoprolol Succinate Imp. D (EP): ，包装为100mg (2RS)-3-[4-(2-Methoxyethyl)phenoxy]propane-1,2-diol
琥珀酸美托洛尔杂质E Metoprolol Succinate Imp. E (EP) ，包装为100mg (2RS)-1-[2-(2-Methoxyethyl)-phenoxy]-3-[(1-methylethyl)amino]propan-2-ol
琥珀酸美托洛尔杂质F Metoprolol Succinate Imp. F (EP)，，包装为100mg (2RS)-1-[(1-Methylethyl)amino]-3-phenoxypropan-2-ol
琥珀酸美托洛尔杂质G Metoprolol Succinate Imp. G (EP) ，包装为100mg 2-(4-Hydroxyphenyl)ethanol
琥珀酸美托洛尔杂质H Metoprolol Succinate Imp. H (EP) ，包装为100mg (2RS)-1-[4-(2-Hydroxyethyl)phenoxy]-3-[(1-methylethyl)amino]propan-2-ol
琥珀酸美托洛尔杂质J Metoprolol Succinate Imp. J (EP) ，包装为50mg 1-[2-Hydroxy-3-[(1-methylethyl)amino]propoxy]-3-[4-(2-methoxyethyl)phenoxy]propan-2-ol
琥珀酸美托洛尔杂质M Metoprolol Succinate Imp. M (EP) as Dihydrochloride: 1,3-Bis[(1-methylethyl)amino]propan-2-ol Dihydrochloride，包装为100mg
琥珀酸美托洛尔杂质N Metoprolol Succinate Imp. N (EP) ，包装为100mg (2RS)-3-[(1-Methylethyl)amino]propane-1,2-diol
琥珀酸美托洛尔杂质O Metoprolol Succinate Imp. O (EP) ，包装为100mg 1,1'-[(1-Methylethyl)imino]bis-[3-[4-(2-methoxyethyl)phenoxy]propan-2-ol]
甲硝唑及相关杂质对照品标准品信息如下：
甲硝唑 Metronidazole，包装为500 mg
甲硝唑杂质A Metronidazole Imp. A (EP): 2-Methyl-5-nitro-1H-imidazole (2-Methyl-4-nitroimidazole)，包装为100 mg
甲硝唑杂质B Metronidazole Imp. B (EP): 4-Nitroimidazol
包装为100 mg
甲硝唑杂质C Metronidazole Imp. C (EP): 包装为100 mg
2-(4-Nitro-1H-imidazol-1-yl)-ethanol
甲硝唑杂质D Metronidazole Imp. D (EP): 包装为100 mg
2-(5-Nitro-1H-imidazol-1-yl)-ethanol
甲硝唑杂质E Metronidazole Imp. E (EP): 包装为100 mg
2-(2-Methyl-4-nitro-1H-imidazol-1-yl)ethanol
甲硝唑杂质G Metronidazole Imp. G (EP): 包装为100 mg
2-(2-Methyl-5-nitro-1H-imidazol-1-yl)acetic Acid
1-(2-Hydroxyethyl)-2-hydroxymethyl-5-nitroimidazole (Hydroxy Metronidazole) 包装为100 mg
环氨酸钠及相关杂质对照品标准品信息如下：
环氨酸钠sodium cyclamate，包装为100mg
环氨酸钠杂质A sodium cyclamate impurity A
环氨酸钠杂质B sodium cyclamate impurity B，包装为100mg
环氨酸钠杂质C sodium cyclamate impurity C，包装为100mg
环氨酸钠杂质Dsodium cyclamate impurity D，包装为100mg
磺胺甲噁唑及相关杂质对照品标准品：
磺胺甲噁唑sulfamethoxazole
Sulfamethoxazole
MM 0227.00
Size: 500 mg
磺胺甲噁唑杂质A Sulfamethoxazole Imp. A (EP): N-[4-[(5-Methylisoxazol-3-yl)-sulphamoyl]phenyl]acetamide/100 mg
磺胺甲噁唑杂质B Sulfamethoxazole Imp. B (EP): 4-[[(4-Aminophenyl)sulphonyl]-amino]-N-(5-methylisoxazol-3-yl)benzene-sulphonamide/100 mg
磺胺甲噁唑杂质C Sulfamethoxazole Imp. C (EP): 5-Methylisoxazol-3-amine/100 mg
磺胺甲噁唑杂质D Sulfamethoxazole Imp. D (EP): Sulphanilic Acid/100 mg
磺胺甲噁唑杂质E Sulfamethoxazole Imp. E (EP): Sulphanilamide/100 mg
磺胺嘧啶及相关杂质对照品标准品信息如下：
磺胺嘧啶 sulfadiazine，包装为500mg
磺胺嘧啶 杂质A sulfadiazine impurity A，包装为100mg
磺胺嘧啶 杂质B sulfadiazine impurity B，包装为100mg
磺胺嘧啶 杂质C sulfadiazine impurity C
磺胺嘧啶 杂质D sulfadiazine impurity D，包装为100mg