Karpishchenko,L.S. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1977 , vol. 13, p. 496 - 498
Khimiya Geterotsiklicheskikh Soedinenii, 1977 , vol. 13, p. 616 - 618

Karpishchenko,L.S. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1977 , vol. 13, p. 496 - 498
Khimiya Geterotsiklicheskikh Soedinenii, 1977 , vol. 13, p. 616 - 618

Karpishchenko,L.S. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1977 , vol. 13, p. 496 - 498
Khimiya Geterotsiklicheskikh Soedinenii, 1977 , vol. 13, p. 616 - 618