(2S,4S,5R)-6-(tert-butyldimethylsilyloxy)-5-hydroxy-1-(4-methoxybenzyloxy)-2,4-dimethylhexan-3-one

(2R,3R,4S,5S)-1-(tert-butyldimethylsilyloxy)-6-(4-methoxybenzyloxy)-3,5-dimethyl-hexane-2,4-diol