Novikov, V. N.; Borodaev, S. V.; Babeshkina, L. D.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , p. 448 - 454
Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 5 p. 601 - 609

Novikov, V. N.; Borodaev, S. V.; Babeshkina, L. D.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , p. 448 - 454
Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 5 p. 601 - 609