(S)-5-oxopyrrolidine-2-carboxylicacid; (-)-2-Pyrrolidone-5-carboxylic Acid; (-)-Pyroglutamic Acid; (2S)-5-Oxopyrrolidine-2-carboxylic Acid; (5S)-2-Oxopyrrolidine-5-carboxylic Acid; (S)-(-)-2-Pyrrolidone-5-carboxylic Acid; (S)-(-)-?-Butyrolactam-?-carboxylic Acid; (S)-2-Pyrrolidone-5-carboxylic Acid; (S)-5-Oxo-2-pyrrolidinecarboxylic Acid; (S)-5-Oxoproline; (S)-Pyroglutamic Acid; 2-L-Pyrrolidone-5-carboxylic Acid; 2-Oxopyrrolidine-5(S)-carboxylic Acid
