1. Gusarova, N.K., Trofimov, B.A., Potapov, V.A., Amosova, S.V., and Sinegovskaya, L.M., Zh. Org. Khim., 1984, vol. 20, no. 3, p. 484.
2. Trofimov, B.A., Sulfur Reports., 1992, vol. 11, no. 2, p. 207.
3. Trofimov, B.A. and Gusarova, N.K., Russ. Chem. Rev. Engl. Transl., 2007, vol. 76, no. 6, p. 507.
4. Gusarova, N.K., Kuznetsova, E.E., Potapov, V.A., Pushechkina, T.A., Fedoseev, A.P., Kirdei, E.G., Amosova, S.V., and Trofimov, B.A., Khim.-Farm. Zh., 1984, no. 1, p. 26.
5. Potapov, V.A., Amosova, S.V., Volkova, K.A., Penzik, M.V., and Albanov, A.I., Tetrahedron Lett., 2010, vol. 51, p. 89.