Yurovskaya, M. A.; Afanas'ev, A. Z.; Chertkov, V. A.; Gizatullina, E. M.; Bundel', Yu. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 12 p. 1305 - 1308
Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 12 p. 1625 - 1628

Yurkovskaya, M. A.; Afanas'ev, A. Z.; Chertkov, V. A.; Bundel', Yu. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, # 9 p. 1000 - 1008
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , # 9 p. 1213 - 1221

Yurkovskaya, M. A.; Afanas'ev, A. Z.; Chertkov, V. A.; Bundel', Yu. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, # 9 p. 1000 - 1008
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , # 9 p. 1213 - 1221

Yurkovskaya, M. A.; Afanas'ev, A. Z.; Chertkov, V. A.; Bundel', Yu. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, # 9 p. 1000 - 1008
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , # 9 p. 1213 - 1221