参考文献

Desenko, S.M.; Orlov, V.D.; Lipson, V.V.; Shishkin, O.V.; Potekhin, K.A.; Struchkov, Yu.T Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 1 p. 95 - 99 Khimiya Geterotsiklicheskikh Soedinenii, 1993 , # 1 p. 109 - 114