Mironov,V.F. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1969 , vol. 5, p. 328 - 331
Khimiya Geterotsiklicheskikh Soedinenii, 1969 , vol. 5, # 3 p. 440 - 445

Mironov,V.F. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1969 , vol. 5, p. 328 - 331
Khimiya Geterotsiklicheskikh Soedinenii, 1969 , vol. 5, # 3 p. 440 - 445