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参考文献
Prosyanik, A. V.; Belov, P. N.; Markov, V. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 12 p. 1393 - 1394 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , # 12 p. 1688 - 1689
Prosyanik, A. V.; Belov, P. N.; Markov, V. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 12 p. 1393 - 1394 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , # 12 p. 1688 - 1689