参考文献

Daukshas, V.K.; Udrenaite, E.B.; Kuleshyus, V.A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 12 p. 1243 - 1246 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 12 p. 1614 - 1617