1. Aminophosphonic and Aminophosphinic Acids: Chemistry and Biological Activity, Kukhar, V.P. and Hudson, H.R., Chichester: Wiley, 2000.
2. Kafarski, P. and Lejczak, B., Curr. Med. Chem.: Anti-Cancer Agents, 2001, vol. 1, p. 301.
3. Pudovik, A.N. and Khusainova, N.G., Zh. Obshch. Khim., 1966, vol. 36, p. 1236.
4. Khusainova, N.G., Mostovaya, O.A., Berdnikov, E.A., Litvinov, I.A., Krivolapov, D.B., and Cherkasov, R.A., Russ. J. Org. Chem., 2005, vol. 41, p. 1260.
5. Palacios, F., Alonso, C., and de los Santos, J.M., Chem. Rev., 2005, vol. 105, p. 899.