参考文献

Demina, L. M.; Konshin, M. E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 10 p. 1179 - 1181 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 10 p. 1384 - 1386