Stupnikova, T. V.; Nuzhnaya, T. V.; Klyuev, N. A.; Chervinskii, A. Yu.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 2 p. 164 - 169
Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 2 p. 212 - 218

Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 18, # 2 p. 164 - 169
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 18, # 2 p. 212 - 218