The molecule is a member of the class of 2,5-diketopiperazines that is piperazine-2,5-dione in which one hydrogen at position 3 and one hydrogen at position 6 are replaced by benzyl and isobutyl groups (the 3S,6S-diastereomer). It has a role as a metabolite.
(3S,6S)-3-benzyl-6-(2-methylpropyl)piperazine-2,5-dione