2-Anthracenecarboxamide, N-(2-(diethylamino)ethyl)-9,10-dihydro-1-hydroxy-9,10-dioxo-, monohydrochloride 81085-98-5 N-(2-(Diethylamino)ethyl)-9,10-dihydro-1-hydroxy-9,10-dioxo-2-anthracenecarboxamide monohydrochloride