5-氨基-1-（2-硝基苯基）-1H-吡唑-4-羧酸乙酯

ethyl 2-cyano-3-(3-hydroxy-1H-indol-2-yl)prop-2-enoate

5-氨基-1H-吡唑-4羧酸乙酯

ethyl 5-amino-1-propan-2-ylpyrazole-4-carboxylate

5-氨基-1-(2-氯苯基)-1H-吡唑-4-甲酸乙酯