Fedorov, N. V.; Shevchenko, M. V.; Anisimov, A. V.; Viktorova, E. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 6 p. 624 - 626
Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 6 p. 747 - 749

Fedorov, N. V.; Anisimov, A. V.; Viktorova, E. A.
Journal of Organic Chemistry USSR (English Translation), 1988 , vol. 24, # 3 p. 507 - 511
Zhurnal Organicheskoi Khimii, 1988 , vol. 24, # 3 p. 567 - 572

Fedorov, N. V.; Anisimov, A. V.; Viktorova, E. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 12 p. 1356 - 1359
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , vol. 25, # 12 p. 1629 - 1633