1. Toja, E., Selva, J.D., and Schiatti, P., J. Med. Chem., 1984, vol. 27, p. 610.
2. Danilenko, G.I., Mokhort, N.A., and Trinus, F.P., Khim.-Farm. Zh., 1976, vol. 10, no. 6, p. 37.
3. Fischer, O., Chem. Ber. 1899, vol. 32, p. 1312.
4. Anufrieva, N.M., Neft’ i gaz i ikh produkty (Petroleum and Gas and Their Products), Moscow, 1971, p. 164; Ref. Zh. Khim., 1972, 5Zh408.
5. Semichenko, E.S., Gomonova, A.L., Gavrilova, N.A., and Suboch, G.A., Zh. Org. Khim., 2008, vol. 44, p. 659.