title: 2-pyrrolidinone--a cyclization product of gamma-aminobutyric acid detected in mouse brain.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D003500:Cyclization; D008297:Male; D013058:Mass Spectrometry; D051379:Mice; D008813:Mice, Inbred ICR; D011760:Pyrrolidinones / Q000378:metabolism*; D005680:gamma-Aminobutyric Acid / Q000378:metabolism*
chemical_list: D011760:Pyrrolidinones; D005680:gamma-Aminobutyric Acid