1,4-Butanediamine, N-(3-aminopropyl)-N'-(3-(dipyrido(1,2-a:3',2'-d)imidazol-2-ylamino)propyl)-, hydrobromide (2:9) 84395-85-7 N-(3-Aminopropyl)-N'-(3-(dipyrido(1,2-a:3',2'-d)imidazol-2-ylamino)propyl)-1,4-butanediamine hydrobromide (2:9)