1,3-Propanediamine, N,N-dimethyl-N'-(4,5-dimethyl-1-nitro-9-acridinyl)-, N-oxide, dihydrochloride 176915-36-9 4,5-Dimethyl-9-((3-(dimethylamino)propyl)amino)-1-nitroacridine N-oxide dihydrochloride