1,1-Ethenediamine, N-methyl-2-nitro-N'-((1,4,6,7-tetrahydropyrano(3,4-d)imidazol-4-yl)methyl)- 100650-66-6 N-Methyl-2-nitro-N'-((1,4,6,7-tetrahydropyrano(3,4-d)imidazol-4-yl)methyl)-1,1-ethenediamine