参考文献

Stoyanov, V. M.; El'chaninov, M. M.; Pozharskii, A. F. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 1 p. 53 - 57 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 1 p. 61 - 66