S. S. Vorob'ev, M. D. Dutov, I. A. Vatsadze, V. V. Kachala, Yu. A. Strelenko, A. A. Sedov, S. A. Shevelev, “Unexpected formation of 4-hydroxy-6-nitroindoles in the intramolecular cyclization of <i>O</i>-(3-amino-5-nitrophenyl)ketoximes”, Mendeleev Commun., 17:2 (2007), 128–129
