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参考文献
Belen'kii, L. I.; Cheskis, M. A.; Ryashentseva, M. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 6 p. 650 - 653 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 6 p. 822 - 825
Belen'kii, L. I.; Cheskis, M. A.; Ryashentseva, M. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 6 p. 650 - 653 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 6 p. 822 - 825