1,3-Propanediamine, N'-(5,11-dimethyl-9-methoxy-6H-pyrido(4,3-b)carbazol-1-yl)-N-ethyl- 83948-11-2 BRN 5633365 N'-(5,11-Dimethyl-9-methoxy-6H-pyrido(4,3-b)carbazol-1-yl)-N-ethyl-1,3-propanediamine