参考文献

Tikhonova, L. G.; Maksikova, A. V.; Serebryakova, E. S.; Kaufman, I. G.; Vereshchagin, L. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 10 p. 1104 - 1107 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 10 p. 1417 - 1420