Ethyl 8-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate

4-氯喹啉-3-甲基乙酯

(4-溴苯胺亚甲基)丙二酸二乙酯

2-{[(5-氯-2-吡啶)氨基]-亚甲基}丙二酸二乙酯

8-羟基[1,3]二氧代lo[4,5-g]喹啉-7-羧酸乙酯