6-hydroxy-deca-1,9-dien-5-one

methyl 4-oxooct-7-enoate

2-prop-2-enylcyclopentane-1,3-dione

11-(oxan-2-yloxy)undec-1-en-6-yn-5-ol

2-(7-methoxyundec-10-en-5-ynoxy)oxane