3-Amino-4,7-dimethyldipyrido(1,2-a:3',2'-d)imidazole 81809-86-1 Dipyrido(1,2-a:3',2'-d)imidazol-3-amine, 4,7-dimethyl- Dipyrido(1,2-a:3',2'-d)imidazole, 3-amino-4,7-dimethyl- SR26