参考文献

Shvekhgeimer, G. A.; Kelarev, V. I.; Dyankova, L. A. Chemistry of Heterocyclic Compounds (New York, NY, United States)Khimiya Geterotsiklicheskikh Soedinenii, 19841984, vol. 20, # 1212 p. 1324 - 13301609 - 1615 doi: 10.1007/BF00505951