[2S,2(2R,5S,5(1R)),7S,8S,9R,10R]-9-triisopropylsilyloxy-7-(4-methoxy-benzyloxy)-8,10-dimethyl-2-[5-methyl-5-(1-(t-butyldimethylsilyloxy)-ethyl)tetrahydrofuran-2-yl]-2-trimethylsilyloxy-11-trityloxy-undecan-5-one

(2S,3S)-3-((1,1-dimethylethyl)dimethylsiloxy)-2-methyl-1-butanol

(2R,3S)-3-(tert-butyldimethylsilyloxy)-2-methylbutanal