参考文献

Nakhmanovich A. S.; Glotova, T. E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 8 p. 955 Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 8 p. 1136 - 1137