参考文献

Glushkova, A. A.; Morgunova, L. M.; Freidlin, G. N.; Fedorov, A. Ya.; Ivanov, V. F. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 4 p. 380 - 384 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 4 p. 455 - 459