Dulenko, V. I.; Tolkunov, S. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 7 p. 730 - 733
Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 7 p. 889 - 893
Dulenko, V. I.; Tolkunov, S. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 7 p. 730 - 733
Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 7 p. 889 - 893
