2-Naphthacenecarboxamide, 7-(3-amino-4-methylphenyl)-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydroxy-1,11-dioxo-, (4S,4aS,5aR,12aS)- AIDS-181991 AIDS181991