参考文献

Gromov, S. P.; Razinkin, M. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 5 p. 559 - 566 Khimiya Geterotsiklicheskikh Soedinenii, Sbornik, 1992 , # 5 p. 662 - 670