(2S,3R,4S)-3-(tert-butyldimethylsilyloxy)-5-(tert-butyldiphenylsilyloxy)-2,4-dimethylpentanol

(3S,4S,5S,6S,7S)-4-O-methyl-6-O-(tert-butyldimethylsilyl)-8-O-(tert-butyldiphenylsilyl)-3,5,7-trimethyl-1-octen-4,6,8-triol

(4R,2'R,3'S,4'S)-4-benzyl-3-(5'-tert-butyldiphenylsilyloxy-3'-hydroxy-2',4'-dimethylpentanoyl)-2-oxazolidinone