(2S,3S,4R)-3,6-di-[(tert-butyldimethylsilyl)oxy]-2,4-dimethylhexan-1-al

(3S,4S,5R,6S,7R)-6,9-di-[(tert-butyldimethylsilyl)oxy]-4-p-methoxybenzyloxy-3,5,7-trimethylnon-1-ene