(2R,3R,4S)-2-Formyl-3,4-dihydroxy-pyrrolidine-1-carboxylic acid benzyl ester

(2R,3R,4R)-3,4-dihydroxy-2-((phenylamino)methyl)pyrrolidine

(2R,3R,4R)-2-((benzylamino)methyl)-3,4-dihydroxypyrrolidine

(2R,3R,4R)-3,4-dihydroxy-2-(1-methyl-1H-benzo[d]imidazol-2-yl)pyrrolidine

(2R,3R,4R)-2-((((R)-1-hydroxypentan-2-yl)amino)methyl)pyrrolidine-3,4-diol