1-Pyrrolidinecarboxylic acid, 3-hydroxy-4-[(phenylmethyl)amino]-, 1,1-dimethylethyl ester, (3R,4R)-
1,1-Dimethylethyl (3R,4R)-3-hydroxy-4-[(phenylmethyl)amino]-1-pyrrolidinecarboxylate
tert-Butyl (3R,4R)-3-(benzylamino)-4-hydroxypyrrolidine-1-carboxylate