Pirlindole (Lifril, Pyrazidol) is a reversible inhibitor of monoamine oxidase A (RIMA) which was developed and is used in Russia as an antidepressant.:337 It is structurally and pharmacologically related to metralindole. Pirlindole (Lifril, Pyrazidol) is a reversible inhibitor of monoamine oxidase A (RIMA) which was developed and is used in Russia as an antidepressant.:337 It is structurally and pharmacologically related to metralindole.