Description General description Phenelzine, sold as Nardil or Nardelzine, is a non-selective and irreversible monoamine oxidase inhibitor (MAOI) of the hydrazine class which is used as an antidepressant and anxiolytic. This Certified Spiking Solution® is suitable for LC/MS or GC/MS methods in phenelzine testing for forensic analysis, clinical toxicology, or urine drug testing. Legal Information CERILLIANT is a registered trademark of Cerilliant Corporation CERTIFIED SPIKING SOLUTION is a registered trademark of Cerilliant Corporation