参考文献

Andreichikov, Yu. S.; Nekrasov, D. D. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 2 p. 132 - 134 Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 2 p. 166 - 169