乙基(3E)-3-(乙酰基亚肼基)-2-氯丁酸酯

ethyl 2-chloro-3-oxohexanoate

4-(苄氧基)-3-氧代丁酸乙酯

ethyl 2-(1H-benzimidazol-2-ylhydrazinylidene)-2-chloroacetate

ethyl 2,5-dimethylimidazo[1,2-a]pyridine-3-carboxylate