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参考文献
Mikhailovskii, A. G.; Aleksandrov, B. B.; Vakhrin, M. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 6 p. 668 - 670 Khimiya Geterotsiklicheskikh Soedinenii, 1993 , # 6 p. 780 - 783
Mikhailovskii, A. G.; Aleksandrov, B. B.; Vakhrin, M. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 6 p. 668 - 670 Khimiya Geterotsiklicheskikh Soedinenii, 1993 , # 6 p. 780 - 783