参考文献

Torgashev, P. A.; Kazantseva, I. V.; Chupakhin, O. N.; Charushin, V. N.; Belik, A. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 8 p. 936 - 943 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 8 p. 1118 - 1125