(Edukt 1: (4aS)-4c-Dimethylamino-3,6t,10,12,12a-pentahydroxy-6c-methyl-1,11-dioxo-(4ar,5ac,12ac)-1,4,4a,5,5a,6,11,12a-octahydro-naphthacen-2-carbonsaeure-amid);