Bulychev, Yu. N.; Korbukh, I. A.; Preobrazhenskaya, M. N.; Chernyshov, A. I.; Esipov, S. E.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 2 p. 215 - 221
Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 2 p. 259 - 264

Bulychev, Yu. N.; Korbukh, I. A.; Preobrazhenskaya, M. N.; Chernyshov, A. I.; Esipov, S. E.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 2 p. 215 - 221
Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 2 p. 259 - 264