methyl 7-[(3R)-3-[tert-butyl(dimethyl)silyl]oxy-5-oxocyclopenten-1-yl]hept-5-enoate

methyl 8-acetyl-10,10-dimethoxydeca-5,8-dienoate

甲基(5Z)-7-[(3R)-3-羟基-5-氧代-1-环戊烯-1-基]-5-庚烯酸酯

methyl 7-iodohept-5-enoate

methyl 7-(5-oxocyclopenten-1-yl)hept-5-enoate