and pyridine compounds are its downstream products

Pyridine, also known as azabenzene, has a chemical formula of C5H5N and refers to a six-membered heterocyclic compound containing one nitrogen heteroatom. Pyridine appears as a colorless or slightly yellow liquid with a foul odor and is miscible in petroleum ether, water, ether, benzene and alcohol. Pyridine has the characteristics of irritation, flammability, and low…