1. M. D. Mashkovskii, Lekarstvennye sredstva [Drugs] (Novaya Volna, Moscow, Russia, 2002), Vol. 1; pp. 39. 86 (in Russian).
2. T. Haga, T. Toki, T. Koyanagi, M. Omatsu, H. Sasaki, M. Morita and K. Yoshida, Eur. Patent 437,784 (1991).
3. T. D. Khlebnikov, E. I. Pokalo and E. A. Kantor, R. U. Patent No. 2,150,469 (2000).
4. Synthesis of glycolurils and their analogues
5. Synthesis of glycolurils and their analogues