参考文献

Brezhnev, L. Yu.; Vartanyan, M. M.; Vol'f, E. Yu.; Solov'eva, T. Yu.; Rodin, A. P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 9 p. 1073 Khimiya Geterotsiklicheskikh Soedinenii, 1990 , vol. 26, # 9 p. 1285