5-氨基-4-咪唑甲酰胺

4-重氮基-4H-咪唑-5-甲酰胺

6-(Methylthio)-2-azapurine

4-methoxyimidazo<4,5-d>-1,2,3-triazine

7H-Imidazo[4,5-d]-1,2,3-triazine, 4-ethoxy-