(E)-ethyl 5-methyl-3-(trifluoromethylsulfonyloxy)hex-2-enoate

(R)-3-(2-(benzylthio)-2-oxoethyl)-5-methylhexanoic acid

(S)-S-benzyl 3-((((benzyloxy)carbonyl)amino)methyl)-5-methylhexanethioate

(4S,1'S)-4-isobutyl-1-(1-phenyleth-1'-yl)-pyrrolidin-2-one