2-ethoxycarbonyl-2-(2,7-octadienyl)-1-cyclopentenone

2-(8-hydroxyoctyl)-1-cyclopentanone

甲醇

9-(5-oxo-tetrahydro-furan-2-yl)-nonanoic acid methyl ester

2-(7-methoxycarbonylheptyl)-1-cyclopentanone