(2R,3aS,5R,6R,10aS)-5-ethyl-6-triethylsilanyloxy-2,3,3a,5,6,7,10,10a-octahydro-furo[3,2-b]oxonine-2-carbaldehyde

(2S,4E)-6-benzyloxy-2-((1R,2R)-2-benzyloxy-1-ethyl-pent-4-enyloxy)-hex-4-enal

(2S,4E)-6-benzyloxy-2-((1R,2R)-2-benzyloxy-1-ethyl-pent-4-enyloxy)-hex-4-en-1-ol

[(2R,3aS,5R,6R,10aS)-2-((2S,3R)-3-chloromethyl-oxiranyl)-5-ethyl-2,3,3a,5,6,7,10,10a-octahydro-furo[3,2-b]oxonin-6-yloxy]-triethyl-silane

(1R)-1-((2R,3aS,5R,6R,10aS)-5-ethyl-6-triethylsilanyloxy-2,3,3a,5,6,7,10,10a-octahydro-furo[3,2-b]oxonin-2-yl)-prop-2-yn-1-ol