Methylhippuric acid is an acyl glycine. Acyl glycines are normally minor metabolites of fatty acids. In certain cases the measurement of these metabolites in body fluids can be used to diagnose disorders associated with mitochondrial fatty acid beta-oxidation. Methylhippuric acid is a metabolite of xylene which is an aromatic hydrocarbon widely used as a solvent.

(R)-Nepicastat HCl, the R-enantiomer of Nepicastat HCl, is a potent and selective inhibitor with IC50 of 25.1 nM and 18.3 nM for bovine and human dopamine-β-hydroxylase, with negligible affinity for twelve other enzymes and thirteen neurotransmitter receptors.

Betulinic acid methyl ester showed antiplasmodial activity against chloroquine-resistant Plasmodium falciparum parasites in vitro.It also inhibited B16 2F2 cell proliferation by induction of apoptosis.