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参考文献
Basova, Yu. G.; Ramsh, S. M.; Ginak, A. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 8 p. 773 - 776 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , # 8 p. 1046 - 1049
Basova, Yu. G.; Ramsh, S. M.; Ginak, A. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 8 p. 773 - 776 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , # 8 p. 1046 - 1049