(3R,4R,5R,6R)-4-(1',5'-dimethylhexa-1',4'-dienyl)-5-methoxy-6-triethylsiloxy-1-oxaspiro<2.5>octan-4-ol

(3S,4R,5R,6R)-4-((E)-1',5'-dimethylhexa-1',4'-dienyl)-5-methoxy-1-oxaspiro[2,5]octane-4,6-diol

(3S,4R,5S)-4-((E)-1',5'-dimethylhexa-1',4'-dienyl)-4-hydroxy-5-methoxy-1-oxaspiro[2,5]octan-6-one

(3S,4S,5S,6R)-5-Methoxy-6-triethylsilanyloxy-1-oxa-spiro[2.5]octan-4-ol