双环醇杂质2 货号:B057002 英文名:Bicyclol Impurity 2 同义词:5'-(hydroxymethyl)-7,7'-dimethoxy-[4,4'-bibenzo[d][1,3]dioxole]-5-carboxylic acid CAS号:128142-41-6 分子式:C18H16O9 分子量:376.31 询价订购