(-)-(2S,3S)-2-benzyloxymethyl-3-<3-hydroxy-2-methyl-1(E)-propenyl>-1,4-dioxaspiro<4,5>decane

(2R,3S)-3-((E)-2-Methyl-buta-1,3-dienyl)-1,4-dioxa-spiro[4.5]decane-2-carbaldehyde

(-)-(2S,3S)-2-hydroxymethyl-3-<3-hydroxy-2-methyl-1(E)-propenyl>-1,4-dioxaspiro<4,5>decane

(-)-(2S,3S)-2-hydroxymethyl-3-<2-methyl-1(E),3-butadienyl>-1,4-dioxaspiro<4,5>decane