参考文献

Vakhatova, G. M.; Anisimova, O. S.; Yakhontov, L. N. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 5 p. 507 - 510 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , # 5 p. 684 - 687