1,3-Propanediamine, N,N-dimethyl-N'-(1,2,3,4-tetrahydro-7-nitro-9-acridinyl)- 81483-77-4 N,N-Dimethyl-N'-(1,2,3,4-tetrahydro-7-nitro-9-acridinyl)-1,3-propanediamine