PT - JOURNAL ARTICLE AU - L Demisch AU - P Kaczmarczyk AU - N Seiler TI - 3,4,5-Trimethoxybenzoic acid, a new mescaline metabolite in humans. DP - 1978 Sep 01 TA - Drug Metabolism and Disposition PG - 507--509 VI - 6 IP - 5 4099 - http://dmd.aspetjournals.org/content/6/5/507.short 4100 - http://dmd.aspetjournals.org/content/6/5/507.full SO - Drug Metab Dispos1978 Sep 01; 6 AB - After ingestion of 400 mg of mescaline sulfate by human volunteers, 3,4,5-trimethoxybenzoic acid was isolated from urine and identified by gas chromatography-mass spectrometry. The amount of this anionic mescaline metabolite was found to be very low as compared with that of the well-konwn 3,4,5-trimethoxyphenylacetic acid. The significance of this finding is discussed.