Voronin, S. P.; Gubina, T. I.; Markushina, I. A.; Kharchenko, V. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 10 p. 1113 - 1117
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 10 p. 1333 - 1337

Kharchenko, V. G.; Gubina, T. I.; Voronin, S. P.; Markushina, I. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 11 p. 1170 - 1173
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 11 p. 1453 - 1456

King; Nord
Journal of Organic Chemistry, 1949 , vol. 14, p. 638,639

Voronin, S. P.; Gubina, T. I.; Markushina, I. A.; Kharchenko, V. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 10 p. 1113 - 1117
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 10 p. 1333 - 1337