3-Nitro-4,6-dimethyldipyrido(1,2-a:3',2'-d)imidazole 4,6-Dimethyl-3-nitrodipyrido(1,2-a:3',2'-d)imidazole 98046-74-3 CCRIS 6137 Dipyrido(1,2-a:3',2'-d)imidazole, 4,6-dimethyl-3-nitro- SR 37