参考文献

Ioffe,B.V.; Tsibul'skii,V.V. Chemistry of Heterocyclic Compounds (New York, NY, United States)Khimiya Geterotsiklicheskikh Soedinenii, 19701970, vol. 66, p. 1166 - 11711249 - 1254 doi: 10.1007/BF00480733