Minocycline EP Impurity B ;
Sancycline HCl ;
(4S,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide HCl ;
CAS # 6625-20-3 (HCl) ; 808-26-4 (Base) ;
C21H23ClN2O7 ;
MW: 450.87 ;