1. S. Mignani, Y. Zhou, T. Lecourt, L. Micouin, and L. Micouin, in: J. Košmrjl (editor), Topics in Heterocyclic Chemistry, Vol. 28, Springer-Verlag, Berlin, Heidelberg (2012), p. 185.
2. V. P. Krivopalov and O. P. Skurko, Usp. Khim., 74, 369 (2005). [Russ. Chem. Rev., 74, 339 (2005).]
3. P. E. Prokhorova, T. A. Kalinina, T. V. Glukhareva, and Yu. Yu. Morzherin, Zh. Org. Khim., 48, 1338 (2012). [Russ. J. Org. Chem., 48, 1333 (2012).]
4. T. V. Glukhareva, L. V. Dyudya, T. A. Pospelova, V. A. Bakulev, A. V. Tkachev, and Yu. Yu. Morzherin, Khim. Geterotsikl. Soedin., 631 (2005). [Chem. Heterocycl. Compd., 41, 542 (2005).]
5. Yu. Yu. Morzherin, T. V. Glukhareva, and V. A. Bakulev, Khim. Geterotsikl. Soedin., 803 (2003). [Chem. Heterocycl. Compd., 39, 679 (2003).]