Trifluoperazine N-glucuronide-d 3 is deuterium labeled Trifluoperazine N-Glucuronide. Trifluoperazine N-Glucuronide (UGT1A4), as one of the human UGT1A isoforms, is expressed in the liver. Trifluoperazine N-Glucuronide catalyzes the imipramine and trifluoperazine Nglucuronide formation.