2-Cyano-4,4,5,5-tetramethyl-4,5-dihydro-1 H-imidazol-1-oxyl-3-oxide as key compound for preparation of nitronyl and imino nitroxides E.V. Tretyakov, G.V. Romanenko et V.I. OvcharenkoJ. Phys. IV France, 114 (2004) 611-615DOI: https://doi.org/10.1051/jp4:2004114145