1,3-Propanediamine, N'-(2,4-dimethoxy-1-nitro-9-acridinyl)-N,N-dimethyl-, N-oxide, dihydrochloride 176915-32-5 2,4-Dimethoxy-9-((3-(dimethylamino)propyl)amino)-1-nitroacridine N3-oxide dihydrochloride