参考文献

Tolmachev, A. A.; Sheiko, D. I.; Slominskii, Yu. L. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 7 p. 767 - 771 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 7 p. 943 - 947