艾司西酞普兰EP杂质L 货号:E010017 英文名:Escitalopram oxalate EP Impurity L 同义词:(RS)-1-(3-(dimethylamino)propyl)-1-phenyl-1,3-dihydroisobenzofuran-5-carbonitrile CAS号:1026009-77-7 分子式:C20H22N2O 分子量:306.40 询价订购