目錄號(hào): PI02005002 品名: Doxycycline Monohydrate Impurity A
CAS No:3219-99-6||Chemical Formula:C22H24N2O8||Molecular Weight:444.44000||Exact Mass:444.15327||(4S,4aR,5S,5aR,6S,12aS)-4-(dimethylamino)-3,5,10,12,12a-pentahy……
CAS No:79-57-2||(4S,4aR,5S,5aR,6S,12aS)-4-(dimethylamino)-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide,……
目錄號(hào): PI02005007 品名: Doxycycline Monohydrate Impurity F
CAS No:122861-53-4||Chemical Formula:C23H25NO8||Molecular Weight:443.45200||Exact Mass:443.15802||(4S,4aR,5S,5aR,6R,12aS)-2-acetyl-4-(dimethylamino)-3,5,10,12,1……