参考文献

Anan'eva, K.V.; Rozhkov, N.K. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 4 p. 456 - 459 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 4 p. 554 - 557