安乃近EP杂质E(钠盐) 货号:M083001A 英文名:Metamizole EP Impurity E(Sodium salt) 同义词:sodium ((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)methanesulfonate CAS号:129-89-5 分子式:C12H14N3O4S.Na 分子量:296.32 22.99 询价订购