1. Racheva, N.L., Aliev, Z.G., Belova, M.A., Mashevskaya, I.V., and Maslivets, A.N., Russ. J. Org. Chem., 2008, vol. 44, p. 701.
2. Maslivets, A.N. and Mashevskaya, I.V., 2,3-Digidro-2,3-pirroldiony (2,3-Dihydropyrrole-2,3-diones), Perm: Perm. Gos. Univ., 2005, p. 126.
3. Mashevskaya, I.V. and Maslivets, A.N., 2,3-Digidro-2,3-pirroldiony, kondensirovannye s razlichnymi geterotsiklami storonoi [a], i ikh benzo[b]analogi: sintez, khimicheskie svoistva, prakticheskoe primenenie (2,3-Dihydro-pyrrole-2,3-diones Fused at the [a] Side to Various Heterocycles and Their Benzo[b] Analogs: Synthesis, Chemical Properties, and Practical Applications), Perm: Perm. Gos. Sel’skokhoz. Akad., 2003, p. 140.
4. Racheva, N.L., Aliev, Z.G., and Maslivets, A.N., Russ. J. Org. Chem., 2008, vol. 44, p. 937.