methyl 8-(2-furyl)-8-hydroxy-octanoate

methyl 2-methoxy-4-hydroxy-5-oxocyclopent-1-eneheptanoate

2-(6'-methoxycarbonylhexyl)-4-bromocyclopent-2-enone

红铝

甲基7-(5-氧代-1-环戊烯-1-基)庚酸酯