Tranylcypromine is a dual inhibitor of both MAO-A/B and LSD1.

Moclobemide is a reversible MAO-A inhibitor.

Pargyline HCl is an irreversible and selective MAO-B inhibitor with Ki values of 15 and 1.8 μM for MAO-A and MAO-B, respectively.

Isatin is an indole-derived endogenous MAO inhibitor with preferential activity against MAO-B than MAO-A.

Paeonol is a naturally occuring MAO inhibitor with IC50 values of 54.6 μM and 42.5 μM for MAO-A and MAO-B, respectively.

Rasagiline is an irreversible, potent and highly selective MAO-B inhibitor used to treat symptoms in early Parkinson's disease.