(2S)-2-[(2S)-2-(benzyloxy)-4-pentenyl]-1,4-dioxaspiro[4.5]decane

(S)-2-((R)-2-Benzyloxy-pent-4-enyl)-1,4-dioxa-spiro[4.5]decane

(S)-(S)-1-(1,4-Dioxa-spiro[4.5]dec-2-yl)-but-3-yn-2-ol

(S)-2-((S)-2-Benzyloxy-but-3-ynyl)-1,4-dioxa-spiro[4.5]decane

(E)-(S)-4-(1,4-Dioxa-spiro[4.5]dec-2-yl)-but-2-en-1-ol