参考文献

Shekhirev, Yu. P.; Lopatinskii, V. P.; Sutyagin, V. M.; Tuzovskaya, S. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 11 p. 1192 - 1197 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , # 11 p. 1504 - 1509