1. Lipeeva, A.V., Shul’ts, E.E., Shakirov, M.M., and Tolstikov, G.A., Khim. Prirodn. Soedin., 2009, vol. 45, p. 338.
2. Lowes, M.A., Bowcock, A.M., and Krueger, J.G., Nature, 2007, vol. 445, p. 866.
3. González-Gómez, J.C., Santana, L., and Uriarte, E., Tetrahedron, 2003, vol. 59, p. 8171; Dalla Via, L., Uriarte, E., Santana, L., Marciani Magno, S., and Gia, O., Arkivoc, 2004, part (v), p. 131; Dalla Via, L., González-Gómez, J.C., Pérez-Montoto, L.G., Santana, L., Uriarte, E., Marciani Magno, S., and Gia, O., Bioorg. Med. Chem. Lett., 2009, vol. 19, p. 2874.
4. Shul’ts, E.E., Petrova, T.N., Shakirov, M.M., Chernyak, E.I., Pokrovskii, L.M., Nekhoroshev, S.A., and Tolstikov, G.A., Khim. Inter. Ustoich. Razv., 2003, no. 4, p. 683.
5. Osadchii, S.A., Shul’ts, E.E., Shakirov, M.M., and Tolstikov, G.A., Izv. Ross. Akad. Nauk, Ser. Khim., 2006, p. 362.