(2R,4S)-4-(4-Methoxy-benzyloxy)-hept-6-en-2-ol

(S)-1-(1,4-Dioxa-spiro[4.5]dec-2-yl)-pent-4-en-2-one

1-[(2S)-1,4-dioxaspiro[4,5]dec-2-yl]-4-penten-2-ol

(2S)-1[(2S)-1,4-dioxaspiro[4.5]decan-2-yl]pent-4-en-2-ol