Ignatchenko, A. V.; Terent'ev, P. B.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 3 p. 292 - 295
Khimiya Geterotsiklicheskikh Soedinenii, 1987 , vol. 23, # 3 p. 348 - 351

Ignatchenko, A. V.; Terent'ev, P. B.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 3 p. 292 - 295
Khimiya Geterotsiklicheskikh Soedinenii, 1987 , vol. 23, # 3 p. 348 - 351