5R-tert-butyldimethylsiloxy-2S,4S-dimethyl-6-benzyloxy-1-iodohexane

1-para-methoxybenzyloxy-2R-tert-butyldimethylsiloxy-3S-methyl-5E-iodohexene

3S,5,7S,9S-tetramethyl-11-benzyloxy-1-paramethoxybenzyloxy-2R,10R-bis-(tert-butyldimethylsiloxy)-4E-undecene