(S)-1-[(2S,6R)-6-(2-hydroxyethyl)tetrahydropyran-2-yl]pent-4-en-2-ol

[(2R,6S)-6-((S)-2-hydroxypent-4-enyl)tetrahydropyran-2-yl]acetic acid ethyl ester

(S)-1-((2S,6R)-6-(2-((tert-butyldimethylsilyl)oxy)ethyl)tetrahydro-2H-pyran-2-yl)pent-4-en-2-ol