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参考文献
Trapentsier, P. T.; Kalvin'sh, I. Ya.; Liepin'sh, E. E.; Lukevits, E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 9 p. 982 - 989 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , # 9 p. 1227 - 1235
Trapentsier, P. T.; Kalvin'sh, I. Ya.; Liepin'sh, E. E.; Lukevits, E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 9 p. 982 - 989 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , # 9 p. 1227 - 1235