(-)-(2R,5R,6R)-7-(benzyloxy)-5-(tert-butyldimethylsilyloxy)-2,6-dimethylheptan-1-ol

(2R,5R,6R)-7-(benzyloxy)-5-(tert-butyldimethylsilyloxy)-2,6-dimethylheptanal

ethyl (-)-(4R,7R,8R,E)-9-(benzyloxy)-7-(tert-butyldimethylsilyloxy)-2,4,8-trimethylnon-2-enoate

ethyl (-)-(4R,7R,8R,E)-9-(benzyloxy)-7-hydroxy-2,4,8-trimethylnon-2-enoate

ethyl (-)-(R)-2-{(2R,3R,6R)-6-[(R)-1-(benzyloxy)propan-2-yl]-3-methyltetrahydro-2H-pyran-2-yl}-2-iodopropanoate