Voronkov, M. G.; Knutov, V. I.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , p. 730 - 732
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 7 p. 891 - 893

Voronkov, M. G.; Knutov, V. I.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , p. 730 - 732
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 7 p. 891 - 893