(R)-3-Hydroxy-5-methyl-pyrrolidine-2-carboxylic acid methyl ester
(2R,3R,5S)-3-hydroxy-5-methylproline
(2R,3R,5R)-3-hydroxy-5-methylproline
(2S,3R)-3-hydroxy-5-methylproline
(2S,3R)-2-Benzyloxycarbonylamino-3-hydroxy-5-oxo-hexanoic acid methyl ester