First example of direct introduction of nucleophiles bearing a stable radical moiety into azaaromatic substrates / E. V. Verbitskiy, G. L. Rusinov, P. A. Slepukhin [et al.] // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2006. - Vol. 55, № 11. - P. 2114-2116.