(S)-4-Butyl-2-hydroxymethyl-2,5-dimethyl-cyclopent-4-ene-1,3-dione

(S)-4-Benzyloxymethyl-4-methyl-decane-3,5,6-trione

(S)-2-(benzyloxy)methyl-4-butyl-2,5-dimethylcyclopent-4-ene-1,3-dione

(E)-(S)-4-Benzyloxymethyl-4-methyl-dec-5-en-3-one

2-((E)-(S)-1-Benzyloxymethyl-1-methyl-hept-2-enyl)-2-ethyl-[1,3]dioxolane