参考文献

Sosonkin, I. M.; Strogov, G. N. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 8 p. 867 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 8 p. 1126 - 1127