title: [Cyclization of various nitro derivatives of 1-(2'-pyridyl)-benzo-1,2,3-triazole in polyphosphoric acid].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003500:Cyclization; D009574:Nitro Compounds; D010756:Phosphoric Acids; D014230:Triazoles
chemical_list: D009574:Nitro Compounds; D010756:Phosphoric Acids; D014230:Triazoles
vernacular_title: O reakcji rozpadu niektórych pochodnych nitrowych 1-(2'-pirydylo)-benzotriazolu-1,2,3 w kwasie polifosforowym