Oxybuprocaine is an ester-type local anesthetic that is used especially in ophthalmology and otolaryngology. Oxybuprocaine binds to sodium channels and reversibly stabilizes the neuronal membrane which decreases its permeability to sodium ions.
Rescinnamine is an inhibitor of angiotensin-converting enzyme. It also is a vinca alkaloid obtained from Rauwolfia serpentina and other species of Rauwolfia. It used as an antihypertensive drug.