参考文献

Pesin,V.G.; Kaukhova,L.A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1972 , vol. 8, p. 1357 - 1362 Khimiya Geterotsiklicheskikh Soedinenii, 1972 , vol. 8, p. 1503 - 1508