{(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

{(4R,5S)-5-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-methanol