雷尼替丁杂质标准品
N-(2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)sulfinyl)ethyl)-N'-methyl-2-nitroethene-1,1-diamine
来曲唑杂质
来曲唑杂质A Letrozole EP Impurity A 112809-52-6 来曲唑杂质B Letrozole EP Impurity B 113402-31-6 来曲唑杂质C Letrozole Impurity
雷尼替丁杂质标准品
N-(2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)sulfinyl)ethyl)-N'-methyl-2-nitroethene-1,1-diamine
番泻苷C
番泻苷C Sennoside C 分子式:C42H40O19 分子量:848.76 CAS NO.: 37271-16-2 外观: 浅黄色结晶粉末 规格: 20mg/支 纯度: ≥ 98% 用途: 用于含量测
