👉 Pyridines are a class of small organic molecules that contain only one nitrogen atom. They were first synthesized in the 1940s and have since become an important component of many different chemical processes, including pharmaceuticals, fertilizers, and pesticides. The name "pyridine" comes from the Latin word "pyridin," which means "purple." The structure of a pyridine molecule is a nitrogen nucleus surrounded by six hydrogen atoms. Pyridines are often used in