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参考文献
Bubel', O. N.; Tishchenko, I. G.; Ptashnikov, Yu. L. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 8 p. 773 - 775 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 8 p. 1022 - 1024
Bubel', O. N.; Tishchenko, I. G.; Ptashnikov, Yu. L. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 8 p. 773 - 775 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 8 p. 1022 - 1024