nicotinyl
Nicotinyl refers to a chemical moiety or radical derived from nicotinic acid, also known as niacin or vitamin B3. It is a pyridine-3-carboxyl group. In organic chemistry, the term "nicotinyl" is often used to describe substituents or functional groups attached to other molecules. For example, nicotinyl alcohol is a compound where a nicotinyl group is linked to an alcohol.
In pharmacology, derivatives containing the nicotinyl group are of interest. Nicotinyl tartrate, for instance, is a