5-氨基-2-(2,6-二氟苯基)噻唑-4-羧酸乙酯

4-(3-甲氧基-3-氧代丙基)-3,5-二甲基-1H-吡咯-2-羧酸乙酯

2-cyano-2-hydroxyiminoacetic acid

ethyl 5-amino-2-prop-2-ynylsulfanyl-1,3-thiazole-4-carboxylate

5-（叔丁氧酰胺基）噻唑-4-甲酸乙酯