吡咯他尼EP杂质A 货号:P091001 英文名:Piretanide EP Impurity A 同义词:4-phenoxy-3-(1H-pyrrol-1-yl)-5-sulfamoylbenzoic acid CAS号:67641-46-7 分子式:C17H14N2O5S 分子量:358.37 询价订购