2-Methylglutaric acid is an organic acid normally found in human urine in healthy adults and children. It is a metabolite of succinic acid a citric acid cycle intermediate.

(+)-Armepavine is a bioactive compound with pharmacological activity. As an alkaloid, (+)-Armepavine belongs to the tetrahydrobenzylisoquinoline class of compounds and may play a role in inhibiting certain diseases. The chemical structure and properties of (+)-Armepavine make it an important chemical classification in phytochemistry.

(+)-Blebbistatin is the inactive enantiomer of (–)-Blebbistatin. (–)-Blebbistatin is a selective myosin II ATPase inhibitor.