参考文献

Samsonov, V. A.; Volodarskii, L. B. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 6 p. 628 - 633 Khimiya Geterotsiklicheskikh Soedinenii, 1980 , # 6 p. 808 - 813