(2S,3R,4S,6R,7R,9S)-9-Benzyloxy-3-(imidazole-1-carbothioyloxy)-7-methoxymethoxy-2,4,6,10-tetramethyl-undecanoic acid methyl ester

(2S,4S,6R,7S,9S)-7-(tert-Butyl-dimethyl-silanyloxy)-9-hydroxy-2,4,6,10-tetramethyl-undecanoic acid