5-氟-1H-咪唑-4-羧酸乙酯

4-氨基-1-甲基-1H-咪唑-5-甲酸乙酯

(9ci)-5-氨基-1H-咪唑-4-羧酸肼

ethyl 2-amino-5-fluoro-1H-imidazole-4-carboxylate

2,4-二氟咪唑-5-羧酸乙酯