Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 18, # 2 p. 144 - 147
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 18, # 2 p. 188 - 192

Khesin, V. G.; Al'perovich, M. A.; Abramenko, P. I.; Raikhina, R. D.; Medvedeva, T. D.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 2 p. 144 - 147
Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 2 p. 188 - 192

Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 18, # 2 p. 144 - 147
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 18, # 2 p. 188 - 192

Khesin, V. G.; Al'perovich, M. A.; Abramenko, P. I.; Raikhina, R. D.; Medvedeva, T. D.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 2 p. 144 - 147
Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 2 p. 188 - 192