Pyridines
ψ
Compounds with a six membered aromatic ring containing NITROGEN. The saturated version is PIPERIDINES.  pyridine nucleotides will probably be NAD or NADP   
SubstanceCAS Registry & nameCategoriesSourceDrugs*
octenidine [ N,N'-(1,10-decanediyldi-1-(4H)-pyridinyl-4-ylidene)bis-(1-octamine) dihydrochloride,Win 41464-2,octeniderm,octenidine hydrochloride ] 71251-02-0   *Pyridines
Pharma Action Anti-Infective Agents; Anti-Infective Agents, Local
Scand J Dent Res 1981;89(5):384