Arylacenamide (SR31747) is a peripheral [sigma] ligand that binds four proteins in human cells, i.e. SRBP-1, [sigma]-2, HSI and its relative SRBP-2. It is a dual agent with both immunomodulatory and antiproliferative activities.

The first mixed agonist-antagonist analgesic to be marketed. It is an agonist at the kappa and sigma opioid receptors and has a weak antagonist action at the mu receptor. (From AMA Drug Evaluations Annual, 1991, p97)

Pentoxyverine, also referred to as carbetapentane, is a non-opioid central acting antitussive with antimuscarinic, anticonvulsant [A32717], and local anesthetic properties. It is an active ingredient in over-the-counter cough suppressants in combination with …