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

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

(E)-12-Methyl-3,8-dioxo-tridec-6-enoic acid methyl ester

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

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