methyl 5-[4-(5-methoxy-5-oxopentoxy)phenoxy]pentanoate

gamma-去氢毒芹碱

5-(4-carboxybutylsulfanyl)pentanoic acid

N-(4-氰基丁基)-N-(苯基甲氧基)氨基甲酸叔丁酯

5-氯戊酸