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参考文献
Andrianov, V. G.; Rozhkov, E. N.; Eremeev, A. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1994 , vol. 30, # 4 p. 470 - 474 Khimiya Geterotsiklicheskikh Soedinenii, 1994 , # 4 p. 534 - 538
Andrianov, V. G.; Rozhkov, E. N.; Eremeev, A. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1994 , vol. 30, # 4 p. 470 - 474 Khimiya Geterotsiklicheskikh Soedinenii, 1994 , # 4 p. 534 - 538