title: Isolation of N-acetylglutamine, pyroglutamic acid and the butyl ester of pyroglutamic acid from human brain.
mesh_terms: D000085:Acetates / Q000032:analysis; D000596:Amino Acids / Q000032:analysis*; D001923:Brain Chemistry; D000440:Butanols / Q000032:analysis; D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D004952:Esters / Q000032:analysis; D005973:Glutamine / Q000032:analysis*; D006801:Humans; D006834:Hydrazines; D007202:Indicators and Reagents; D011760:Pyrrolidinones / Q000032:analysis*; D013055:Spectrophotometry, Infrared
chemical_list: D000085:Acetates; D000596:Amino Acids; D000440:Butanols; D004952:Esters; D006834:Hydrazines; D007202:Indicators and Reagents; D011760:Pyrrolidinones; D005973:Glutamine