(2S,3S,4S,5S)-7-Benzyloxy-5-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-3-(4-methoxy-benzyloxy)-4-methyl-heptanal

1-{(1R,2S,3S)-5-Benzyloxy-3-(tert-butyl-dimethyl-silanyloxy)-1-[(S)-1-(tert-butyl-dimethyl-silanyloxymethyl)-2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-methyl-pentyloxymethyl}-4-methoxy-benzene

((3S,4S)-1-(benzyloxy)-4-methyloct-5-en-3-yloxy)(tert-butyldimethylsilane)