参考文献

Kolodyazhnaya, S. N.; Divaeva, L. N.; Sogomonova, R. A.; Simonov, A. M. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 5 p. 538 - 543 Khimiya Geterotsiklicheskikh Soedinenii, 1990 , # 5 p. 637 - 642