参考文献

Nikolaev, V. A.; Khimich, N. N.; Korobitsyna, I. K. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 3 p. 264 - 268 Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 3 p. 321 - 325