(S)-4-Hydroxy-D-proline Methyl Ester Hydrochloride;trans-4-Hydroxy-L-proline methyl ester;4-HYDROXY-L-PROLINE METHYL ESTER HCl;H-HYP-OME HCL;H-L-HYP-OME HCL;HYDROXYPROLINE-OME HCL;L-4-HYDROXYPROLINE METHYL ESTER HYDROCHLORIDE;L-4-HYDROXYPROLINE METHYL ESTER HYDROCHLORIDE SALT;L-4-TRANS-HYDROXYPROLINE METHYL ESTER HYDROCHLORIDE;L-4-TRANS-HYDROXYPROLINE METHYL ESTER HYDROCHLORIDE SALT;L-TRANS-4-HYDROXYPROLINE METHYL ESTER HYDROCHLORIDE SALT;Methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate hydrochloride;(2S,4R)-methyl 4-hydroxypyrrolidine-2-carboxylate hydrochloride;(2R,4S)-Methyl 4-hydroxypyrrolidine-2-carboxylate hydrochloride;(2S,4R)-2-CARBOMETHOXY-4-HYDROXYPYRROLIDINE HYDROCHLORIDE;(4S)-4-hydroxy-D-Proline methyl ester hydrochloride;1-hydroxy-2-oxopentane;1-Hydroxy-2-pentanone;1-Hydroxy-pentan-2-on;1-hydroxy-pentan-2-one;2-Pentanone,1-hydroxy;4S-hydroxy-1-pyrrolidine-2R-carboxylic acid methyl ester hydrochloride salt;Hydroxymethyl-propyl-keton;l-hydroxy-2-oxopentane;L-hydroxyproline methyl ester hydrochloride;Methyl (2R,4S)-4-hydroxypyrrolidine-2-carboxylate hydrochloride