5-((2S,5R,6R,8R,10R)-10-[1,3]Dithian-2-ylmethyl-5-methyl-5-triethylsilanyloxy-1,7,9-trioxa-dispiro[5.1.5.2]pentadec-2-ylmethyl)-hex-5-en-1-ol

2-[(2S,5R,6R,8R,10R)-10-(tert-Butyl-dimethyl-silanyloxymethyl)-5-methyl-5-triethylsilanyloxy-1,7,9-trioxa-dispiro[5.1.5.2]pentadec-2-yl]-ethanol

{(2R,6R,8R,10S,13R)-10-[6-(4-Methoxy-benzyloxy)-2-methylene-hexyl]-13-methyl-13-triethylsilanyloxy-1,7,9-trioxa-dispiro[5.1.5.2]pentadec-2-yl}-methanol