(–)-(2R,3R,4S)-5-(tert-butyldimethylsilanyloxy)-3-(4-methoxybenzyloxy)-2,4-dimethylpentanal

(Z)-(6S,7R,8S)-7-(tert-butyldimethylsilanyloxy)-9-(4-methoxybenzyloxy)-4,6,8-trimethylnon-4-enoic acid

(2S,4R,5R,6S)-7-(tert-butyldimethylsilyloxy)-5-hydroxy-4,6-dimethyl-3-oxoheptan-2-yl benzoate

(2S,4R,5R,6S)-2-benzoyloxy-7-(t-butyldimethylsilyloxy)-5-(p-methoxybenzyloxy)-4,6-dimethylheptan-3-one

(Z)-(6S,7R,8S)-7-(tert-butyldimethylsilanyloxy)-9-(4-methoxybenzyloxy)-4,6,8-trimethylnon-4-enoic acid 2,6-dimethylphenyl ester