参考文献

Titova, I.E.; Poplavskii, V.S.; Koldobskii, G.I.; Ostrovskii, V.A.; Nikolaev, V.D.; Erusalimskii, G.B. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 8 p. 880 - 883 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , # 8 p. 1086 - 1089