2-氰基-3-乙氧基巴豆酸乙酯

5-氨基-4-乙氧羰基-1-苯基吡唑

5-氨基-1-(4-氯苯基)-1H-吡唑-4-羧酸乙酯

5-氨基-1-(4-氟苯)吡唑-4-羧酸乙酯

ethyl 5-amino-1-[(2-fluorophenyl)methyl]pyrazole-4-carboxylate