参考文献

Terent'ev,P.B.; Lomakina,N.P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1974 , vol. 10, p. 1294 - 1297 Khimiya Geterotsiklicheskikh Soedinenii, 1974 , vol. 10, p. 1472 - 1476