Popov, I. I.; Pozharskii, A. F.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 9 p. 1030
Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 9 p. 1275
Popov, I. I.; Pozharskii, A. F.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 9 p. 1030
Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 9 p. 1275