(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
1,1-dimethylethyl N-<(1R,2S,3R)-3-hydroxymethyl-2,3-(isopropylidenedioxy)-1-<(methoxymethoxy)methyl>propyl>carbamate
(2R,3S,4R)-N-(tert-butoxycarbonyl)-3,4-(isopropylidenedioxy)-2-<(methoxymethoxy)methyl>pyrrolidine
(2S,3S,4R)-4-<(tert-butoxycarbonyl)amino>-2,3-isopropylidenedioxy-5-pentanolide