Synonyms: 5-Oxo-L-proline, compound with methyl (2S-trans)-6,8-dideoxy-6-(((1-methyl-4-propyl-2-pyrrolidinyl)carbonyl)amino)-1-thio-D-erythro-alpha-D-galacto-octopyranoside (1:1);N-[(1R,2R)-2-hydroxy-1-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-methylsulfanyl-tetrahydropyran-2-yl]propyl]-1-methyl-4-propyl-pyrrolidine-2-carboxamide; (2S)-5-oxopyrrolidine-2-carboxylic acid