Citation: Eguillor, Beatriz; Esteruelas, Miguel A.; Fern\'andez, Israel; G\'omez-Gallego, Mar; Lled\'os, Agust\'i; Mart\'in-Ortiz, Mamen; Oliv\'an, Montserrat; O\~nate, Enrique; Sierra, Miguel A. (2015). Azole Assisted C--H Bond Activation Promoted by an Osmium-Polyhydride: Discerning between N and NH. Organometallics, 34, pp. 1898-.