7148-73-4 NSC64440 Nicotinamide, 6-[[[4-(dimethylamino)-1,4,4a,5,12,12a-hexahydro-3,10,11,13a-tetrahydroxy-6-methyl-1,12-dioxo-2-naphthacenecarboxamide]methyl]amino]-, hydrochloride