Cephaeline is an alkaloid found in certain plant species, primarily in the Cephaelis family. Synonyms for cephaeline include Demethylpilocarpine, Norcephaeline, Pilocarpidine, Tyramine, Cephaline, and Methylpilocarpine. These compounds are often used in traditional medicine to treat a variety of conditions, including respiratory disorders and high blood pressure. Cephaeline has also been used as a cough suppressant and a treatment for drug addiction. While some of these compounds have similar effects and structures to cephaeline, they can have different physiological effects and potencies, highlighting the importance of careful dosing and monitoring in their use.