ChemInform Abstract: Acid‐Base Chemistry of Polypyridyl Ruthenium Compounds of (Pyridin‐2′‐yl)‐1,2,4‐triazoles. X‐Ray Crystal Structure of Bis(2,2′‐bipyridine)(3‐methyl‐5‐(pyridin‐2′‐yl)‐1,2,4‐triazolato‐N1)ruthenium Hexafluorophosphate Tetrahydrate.