McMullen, Nathan C.; Fronczek, Frank R.; Junk, Thomas
Journal of Heterocyclic Chemistry, 2013 , vol. 50, # 1 p. 120 - 124

Abakarov, G. M.; Shabson, A. A.; Sadekov, I. D.; Garnovskii, A. D.; Minkin, V. I.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, p. 232 - 234
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 2 p. 276 - 278

Abakarov, G. M.; Shabson, A. A.; Sadekov, I. D.; Garnovskii, A. D.; Minkin, V. I.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, p. 232 - 234
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 2 p. 276 - 278

McMullen, Nathan C.; Fronczek, Frank R.; Junk, Thomas
Journal of Heterocyclic Chemistry, 2013 , vol. 50, # 1 p. 120 - 124

Abakarov, G. M.; Shabson, A. A.; Sadekov, I. D.; Garnovskii, A. D.; Minkin, V. I.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, p. 232 - 234
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 2 p. 276 - 278