3-甲氧基-2-环戊烯-1-酮

烯丙基氯化镁

3-allyl-2-[1-hydroxy-4-acetoxycyclopent-2-enyl]cyclopent-4-enone

2,3-dichloro-4-hydroxy-4-(prop-2-ynyl)cyclopent-2-enone

3-allyl-2-cyclopenten-1-one