参考文献:
Gordeev, E. N. Buyanov, V. N. Zhigachev, V. E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 992 , vol. 28, # p. 0 - 2 Khimiya Geterotsiklicheskikh Soedinenii, 992 , # p. 6 - 8
参考文献:
Gordeev, E. N. Buyanov, V. N. Zhigachev, V. E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 992 , vol. 28, # p. 0 - 2 Khimiya Geterotsiklicheskikh Soedinenii, 992 , # p. 6 - 8