参考文献

Remennikov, G. Ya.; Kisilenko, A. A.; Cherkasov, V. M. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , p. 1109 - 1112 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 10 p. 1393 - 1397