参考文献

Mandrugin, A. A.; Fedoseev, V. M.; Khomutov, S. M.; Rodyunin, A. A.; Leshchev, Yu. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 11 p. 1262 - 1266 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 11 p. 1572 - 1575