3-(2-氯乙基)-N,N-二甲基-4-氧代-3,4-二氢咪唑并[5,1-d][1,2,3,5]四嗪-8-甲酰胺

methyl 8-carbamoyl-4-methylidene-1H-imidazo[5,1-c][1,2,4]triazine-3-carboxylate

ethyl 8-carbamoyl-4-methylidene-1H-imidazo[5,1-c][1,2,4]triazine-3-carboxylate

4-azido-1H-imidazole-5-carboxamide