参考文献

Volynskii, N. P.; Perepelitchenko, L. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, # 11 p. 1324 - 1327 Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 12 p. 1604 - 1607