(2S,3S)-3,5-bis(tert-butyl-dimethylsilyloxy)-2-methylpentanoic acid N-methoxy-N-methylamide

(2Z,4R,5R,6S)-6,8-bis(tert-butyl-dimethylsilyloxy)-1-(4-methoxybenzyloxy)-3,5-dimethyloct-2-en-4-ol

(2Z,4R,5S,6S)-6,8-bis(tert-butyl-dimethylsilyloxy)-1-iodo-3,5-dimethyl-4-triisopropylsilyloxy-oct-2-ene

[1(1S,2R),2S,3S]-5-(tert-butyl-dimethylsilyloxy)-3-hydroxy-2-methylpentanoic acid 2-(N-benzyl-N-mesitylenesulfonyl)amino-1-phenyl-propyl ester

[1(1S,2R),2S,3S]-3,5-bis(tert-butyl-dimethylsilyloxy)-2-methylpentanoic acid 2-(N-benzyl-N-mesitylenesulfonyl)amino-1-phenyl-propyl ester