参考文献
Sheinkman, A. K.; Lopatinskaya, Kh. Ya.; Klyuev, N. A.; Torosyan, Zh. K.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 2 p. 174 - 178
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 2 p. 234 - 238