参考文献

Mikhailov, S. N.; Grishko, N. B. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, p. 75 - 78 Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 1 p. 91 - 94