(S)-2-Oxo-3-phenylselanyl-5-trityloxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester
(2S,3S,4R)-1-Benzyl-3,4-bis-benzyloxy-pyrrolidine-2-carbaldehyde
1,1-dimethylethyl N-<(1R,2S,3S)-2,3-(isopropylidenedioxy)-3-(methoxycarbonyl)-1-<(methoxymethoxy)methyl>propyl>carbamate
(3RS,5S)-1-(tert-butoxycarbonyl)-5-hydroxymethyl-3-phenylseleno-2-pyrrolidinone
1,1-dimethylethyl N-<(1R,2S,3S)-1-hydroxymethyl-2,3-(isopropylidenedioxy)-3-(methoxycarbonyl)propyl>carbamate