Mochalov, S.S.; Abdel'razek, F.M.; Surikova, T.P.; Shabarov, Yu.S.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 4 p. 339 - 344
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 4 p. 455 - 460

Mochalov, S. S.; Surikova, T. P.; Zakharova, V. D.; Shabarov, Yu. S.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 2 p. 139 - 143
Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 2 p. 175 - 179