Golubev, A. A.; Semenenko, M. N.; Mandrugin, A. A.; Fedoseev, V. M.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 12 p. 1367 - 1369
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 12 p. 1687 - 1689

Golubev, A. A.; Semenenko, M. N.; Mandrugin, A. A.; Fedoseev, V. M.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 12 p. 1367 - 1369
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 12 p. 1687 - 1689

Rinderknecht; Niemann
Journal of the American Chemical Society, 1953 , vol. 75, p. 6322

Michalsky; Rakova
Journal fuer Praktische Chemie (Leipzig), 1959 , vol. <4>8, p. 181,184

Michalsky; Rakova
Journal fuer Praktische Chemie (Leipzig), 1959 , vol. <4>8, p. 181,184