5,11-Epoxynaphthacene-3-carboxamide, 5a-chloro-1-(dimethylamino)-1,4,4a,5,5a,6,11,11a,12,12a-decahydro-2,4a,5,7,12-pentahydroxy-11-methyl-4,6-dioxo-, monohydrochloride, [1S-(1alpha,4alpha,5beta,5aalpha,11beta,11aalpha,12alpha,12aalpha)]-