3S,5,7S,9S-tetramethyl-11-benzyloxy-1-paramethoxybenzyloxy-2R,10R-dihydroxy-4E-undecene

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

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

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

(2R,3S,5S,7R,9S,10R)-11-(benzyloxy)-2,10-bis((tert-butyldimethylsilyl)oxy)-3,5,7,9-tetramethylundecyl methanesulfonate