7-硝基-3-氧代-3,4-二氢-喹噁啉e-2-羧酸乙酯

diethyl 2-(3-chloroanilino)propanedioate

[(4-氯苯基)亚甲基]丙二酸二乙酯

2-[1,2,3]triazol-2-yl-malonic acid diethyl ester

diethyl 2-(triazol-1-yl)propanedioate