参考文献:
Kuz'menko, V. V. Kuz'menko, T. A. Aleksandrov, G. G. Pozharskii, A. F. Gulevskaya, A. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 6 p. 69 - 697 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , vol. 23, # 6 p. 836 - 8