Orlov, V. D.; Desenko, S. M.; Potekhin, K. A.; Struchkov, Yu. T.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, p. 192 - 196
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 2 p. 229 - 233

Desenko, S. M.; Orlov, V. D.; Getmanskii, N. V.; Shishkin, O. V.; Lindeman, S. V.; Struchkov, Yu. T.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 4 p. 406 - 410
Khimiya Geterotsiklicheskikh Soedinenii, 1993 , # 4 p. 481 - 485

Desenko, S. M.; Orlov, V. D.; Lipson, V. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 12 p. 1362 - 1366
Khimiya Geterotsiklicheskikh Soedinenii, 1990 , # 12 p. 1638 - 1642