3-Amino-4-methyldipyrido(1,2-a:3',2'-d)imidazole 81809-85-0 Dipyrido(1,2-a:3',2'-d)imidazol-3-amine, 4-methyl- Dipyrido(1,2-a:3',2'-d)imidazole, 3-amino-4-methyl- SR25