参考文献

Smirnova, N. M.; Cherdantseva, N. M.; Burova, O. A.; Nesterov, V. M.; Safonova, T. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 7 p. 811 - 815 Khimiya Geterotsiklicheskikh Soedinenii, 1990 , # 7 p. 971 - 975