(2S,3R,4R,5S,6S,9S,10R,11S,12S,13R)-9-(tert-butyldimethylsiloxy)-11-benzyloxy-3,5-(isopropylidenedioxy)-8-methylene-2,4,6,10,12-pentamethyltetradecan-1,13-diol

(2R,3S,4S,5R,6S,9S,10S,11R,12R,13S)-6-(tert-butyldimethylsiloxy)-14-((tert-butyldiphenylsiloxy))-2,4-((R)-benzylidenedioxy)-10,12-(isopropylidenedioxy)-3,5,9,11,13-pentamethyltetradecan-7-on