地美环素EP杂质E 货号:D094003 英文名:Demeclocycline EP Impurity E 同义词:(4S,4aS,12aS)-4-(dimethylamino)-3,10,11,12a-tetrahydroxy-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide CAS号:4496-85-9 分子式:C21H20N2O7 分子量:412.39 询价订购