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Prosyanik, A.V.; Bondarenko, S.V.; Markov, V.I.; Chervin, I.I.; Isobaev, M.D.; et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 2 p. 154 - 158
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 2 p. 212 - 215
