A. R1 = N(CH3)2, R2 = H, R3 = N(CH3)2: (4R,4aS,5aR, 12aS)-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-oktahydronaftacen-2-karboxamid (4-epiminocyklin),
A. R1 = N(CH3)2, R2 = H, R3 = N(CH3)2: (4R,4aS,5aR, 12aS)-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-oktahydronaftacen-2-karboxamid (4-epiminocyklin),