(R)-N-((3S,5S)-6-(tert-butyldiphenylsilyloxy)-3,5-dimethylhexyl)-2-methylbutanamide

(R)-1-(tritylthio)but-3-en-2-amine

(3S,4S,6S)-8-((R)-N,2-dimethylbutanamido)-3,4,6-trimethyloctanoic acid

(R)-3-((S,E)-6-(tert-butyldiphenylsilyloxy)-5-methylhex-2-enoyl)-4-phenyloxazolidin-2-one

(R)-3-(tert-butoxycarbonylamino)-4-(tritylthio)but-1-en-2-yl trifluoromethanesulfonate