大黄素杂质2 货号:E077002 英文名:Emodin Impurity 2 同义词:3-formyl-9,10-dioxo-9,10-dihydroanthracene-1,8-diyl diacetate CAS号:65209-90-7 分子式:C19H12O7 分子量:352.29 询价订购