2-(6-methylhept-1(E)-en-1-yl)cyclobutanone

2-(carbomethoxy)-3-(6-methyl-2-oxo-n-heptyl)cyclopentanone

{1-Hydroxy-2-[3-(4-methyl-pentyl)-oxiranyl]-cyclobutyl}-acetic acid methyl ester

methyl 8-hydroxy-12-methyl-6(E,Z)-en-3-oxotridecanoate