Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 27, # 6 p. 616 - 620
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 27, # 6 p. 786 - 790
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 27, # 6 p. 616 - 620
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 27, # 6 p. 786 - 790
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 27, # 6 p. 616 - 620
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 27, # 6 p. 786 - 790
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 27, # 6 p. 616 - 620
Khimiya Geterotsiklicheskikh Soedinenii, , vol. 27, # 6 p. 786 - 790