(2R,3E,6S,7S,8R)-1,9-di(tert-butyldiphenylsilyloxy)-6-hydroxymethyl-7-(3,4-dimethoxybenzyloxy)-2,4,8-trimethyl-3-nonen-5-one

(2S,3S,4R)-2-(tert-butyldimethylsilyloxymethyl)-5-(tert-butyldiphenylsilyloxy)-1,3-[(R)-3,4-dimethoxybenzylidenedioxy]-4-methylpentane

[4R,3(2R,3S,4R)]-3-(5-tert-butyldiphenylsilyloxy-3-hydroxy-4-methyl-2-vinylpentanoyl)-4-isopropyl-2-oxazolidinone

(2S,3S,4R)-5-(tert-Butyl-diphenyl-silanyloxy)-3-(3,4-dimethoxy-benzyloxy)-4-methyl-2-vinyl-pentan-1-ol

(3R,4S,5R)-3-(tert-Butyl-dimethyl-silanyloxymethyl)-6-(tert-butyl-diphenyl-silanyloxy)-4-(3,4-dimethoxy-benzyloxy)-5-methyl-hexane-1,2-diol