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Russian Journal of Organic Chemistry, 1994 , vol. 30, # 9.2 p. 1512
Zhurnal Organicheskoi Khimii, 1994 , vol. 30, # 9 p. 1438
Kozintsev, S. I.; Basalaeva, L. I.; Gladkikh, L. V.; Kozlov, N. S.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, p. 19 - 21
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 1 p. 23 - 26
Kozintsev, S. I.; Basalaeva, L. I.; Gladkikh, L. V.; Kozlov, N. S.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, p. 19 - 21
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 1 p. 23 - 26
