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参考文献
Yatluk, Yu. G.; Suvorov, A. L. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 3 p. 316 - 320 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , vol. 23, # 3 p. 376 - 381
Yatluk, Yu. G.; Suvorov, A. L. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 3 p. 316 - 320 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , vol. 23, # 3 p. 376 - 381