1. P. W. Hickmott, Tetrahedron, 1982, 38, 3363.
2. V. G. Granik, V. A. Makarov, C. Parkanyi, Adv. Het. Chem., 1999, 72, 283
3. N. Z. Tugusheva, L. M. Alekseeva, A. S. Shashkov, V. G. Granik, Izv. Akad. Nauk, Ser. Khim., 2006, 1416 [Russ. Chem. Bull., Int. Ed., 2006, 55, 1470]
4. V. P. Litvinov, Khimiya naphthiridinov [Chemistry of Naphthy-ridines], Ekonomika, Moscow, 2008, 249 pp. (in Russian).
5. V. A. Azimov, V. G. Granik, S. I. Grizik, L. V. Ershov, N. I. Smetskaya, S. D. Yuzhakov, M. D. Mashkovsky, L. N. Yahontov, Khim.-pharm. Zh., 1985, 19, No. 8, 947 [Pharm. Chem. J. (Engl. Transl.), 1985, 19, No. 8, 548].