参考文献

Przheval'skii, N. M.; Grandberg, I. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 7 p. 716 - 719 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , # 7 p. 940 - 943