4-氨基-2-苯基-嘧啶-5-羧酸乙酯

3-氨基-1-(4-氯苯基)-1H-吡唑-4-羧酸乙酯

ethyl 2-cyano-3-(thiophen-2-ylamino)prop-2-enoate

5-氨基-1-(2-吡啶基)-1H-吡唑-4-羧酸乙酯

4-氧代-1,4-二氢喹啉-3-甲腈