(3R,4R,5S)-4-(tert-Butyl-dimethyl-silanyloxy)-3,5-dimethyl-1-trimethylsilanyloxy-cyclopentene

1-[(7R,8S,9S)-9-((S)-2-Benzenesulfinyl-1-methyl-ethyl)-8-methyl-6,10-dioxa-spiro[4.5]dec-7-yl]-ethanone