Karpeiskii, M. Ya.; Mikhailov, S. M.; Tsieminya, A. S.; Ziderman, A. A.; Kravchenko, I. M.; et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 11 p. 1176 - 1179
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 11 p. 1541 - 1544

Karpeiskii, M. Ya.; Mikhailov, S. M.; Tsieminya, A. S.; Ziderman, A. A.; Kravchenko, I. M.; et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 11 p. 1176 - 1179
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 11 p. 1541 - 1544