Chupakhin, O.N.; Rusinov, V.L.; Tumashov, A.A.; Pilicheva, T.L.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 2 p. 235
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 2 p. 278

Chupakhin, O.N.; Rusinov, V.L.; Tumashov, A.A.; Pilicheva, T.L.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 2 p. 235
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 2 p. 278