B. R1 = H, R2 = N(CH3)2, R3 = H: (4S,4aS,5aR,12aS)-4-dimethylamino-3,10,12,12atetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,l l,12a-oktahydronaftacen-2-karboxamid (sancyklin),
B. R1 = H, R2 = N(CH3)2, R3 = H: (4S,4aS,5aR,12aS)-4-dimethylamino-3,10,12,12atetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,l l,12a-oktahydronaftacen-2-karboxamid (sancyklin),