参考文献

Novikov, V. N.; Borodaev, S. V.; Babeshkina, L. D. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , p. 448 - 454 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 5 p. 601 - 609