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参考文献
Mainagashev, I. Ya.; Lapachev, V. V.; Fedotov, M. A.; Mamaev, V. P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 12 p. 1339 - 1342 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 12 p. 1663 - 1667
Mainagashev, I. Ya.; Lapachev, V. V.; Fedotov, M. A.; Mamaev, V. P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 12 p. 1339 - 1342 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 12 p. 1663 - 1667