Synonyms: s-Triazolo[4,3-a]pyridine-3(2H)-thione(8CI);s-Triazolo[4,3-a]pyridine-3-thiol (6CI,7CI);3-Mercaptotriazolo[4,3-a]pyridine;NSC 70716;[1,2,4]Triazolo[4,3-a]pyridine-3(2H)-thione;[1,2,4]triazolo[4,3-a]pyridine-3-thiol;1,2,4-triazolo[4,3-a]pyridine-3-thiol;