Azev,Yu.A. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1974 , vol. 10, p. 687 - 690
Khimiya Geterotsiklicheskikh Soedinenii, 1974 , vol. 6, p. 792 - 795

Azev,Yu.A. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1974 , vol. 10, p. 687 - 690
Khimiya Geterotsiklicheskikh Soedinenii, 1974 , vol. 6, p. 792 - 795