二烯丙基丙二酸二乙酯

diethyl 2-((methylsulfonyl)oxy)cyclopentane-1,1-dicarboxylate

2-hydroxycyclopentane-1,1-dicarboxylic acid diethyl ester

Cyclopentanon-(2)-dicarbonsaeure-(1,1)-diaethylester

3-环戊烯-1,1-二甲酸二乙酯