参考文献
Pavlyuchenko, A. I.; Purvanetskas, G. V.; Daukshas, V. K.; Smirnova, N. I.; Korotkova, N. I.; at al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 5 p. 515 - 518
Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 5 p. 643 - 647
