The chemical Pyridine has a known molecular formula of C5-H5-N. Synonyms may include: AI3-01240, Azabenzene, Azine, Caswell No. 717, CCRIS 2926, CP 32, EINECS 203-809-9, EPA Pesticide Chemical Code 069202, FEMA No. 2966, FEMA Number 2966, HSDB 118, NCI-C55301 (ChemID).