Rumyantsev, A. N.; Terenin, V. I.; Yudin, L. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 3 p. 300 - 303
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 3 p. 368 - 371

Rumyantsev, A. N.; Terenin, V. I.; Yudin, L. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 3 p. 300 - 303
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 3 p. 368 - 371