参考文献

Glotova, T. E.; Nakhmanovich, A. S.; Mabarakshina, N. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , p. 578 - 581 Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 5 p. 705 - 708