(2S,5S,6R,7S,8R,9S)-5,7-Bis-(tert-butyl-dimethyl-silanyloxy)-9-methoxy-2,6,8-trimethyl-decanal

(4S,5S,8S,9R,10S,11R,12S)-8,10-bis(tert-butyldimethylsilyloxy)-12-methoxy-5,9,11-trimethyltridec-1-en-4-ol