参考文献:
Bystrykh, N. N. Buzykin, B. I. Stolyarov, A. P. Flegontov, S. A. Kitaev, Yu. P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 6 p. 666 - 673 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 6 p. 826 - 833