盐酸雷尼替丁杂质E 货号:R012006 英文名:Ranitidine Impurity E HCl 同义词:N,N-dimethyl-1-(5-(((2-((1-(methylamino)-2-nitrovinyl)amino)ethyl)thio)methyl)furan-2-yl)methanamine oxide CAS号:N/A 分子式:C13H22N4O4S 分子量:330.4 询价订购