参考文献

Yun, L. M.; Yangibaev, S.; Shakhidoyatov, Kh. M.; Alekseeva, V. Ya.; V'yunov, K. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 2 p. 214 - 216 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , vol. 23, # 2 p. 254 - 256