Pesin,V.G. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1968 , vol. 4, p. 186 - 188
Khimiya Geterotsiklicheskikh Soedinenii, 1968 , vol. 4, # 2 p. 249 - 253
Pesin,V.G. et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1968 , vol. 4, p. 186 - 188
Khimiya Geterotsiklicheskikh Soedinenii, 1968 , vol. 4, # 2 p. 249 - 253
