参考文献

Kukharev, B.F.; Stankevich, V.K.; Kukhareva, V.A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 4 p. 437 - 439 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 4 p. 533 - 535