4-氨基-5-咪唑甲酰胺盐酸盐

对硝基苯基氯甲酸酯

5-diazoimidazole-4-carboxiamide

2-thioxopyridin-1(2H)-yl 2-(8-carbamoyl-4-oxoimidazo[5,1-d][1,2,3,5]tetrazin-3(4H)-yl)acetate

tert-butyl (8-carbamoyl-4-oxoimidazo[5,1-d][1,2,3,5]tetrazin-3(4H)-yl)methylcarbamate