2-(4-Oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazin-8-yl)-1H-benzo[d]imidazole-4-carboxamide 1g

2-(4-Oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazin-8-yl)-1H-benzo[d]imidazole-4-carboxamide 1g