参考文献

Sirotkina, E. E.; Moskalev, N. V.; Shabotkin I. G.; Ogorodnikov, V. D.; Khayut, E. B. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 4 p. 438 - 442 Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 4 p. 525 - 529