参考文献

Ivanov, E. I.; Terent'ev, P. B.; Polishchuk, A. A.; Zakharov, K. S.; Subbotin, B. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 11 p. 1298 Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 11 p. 1573