参考文献

Varlamov, S. V.; Kadorkina, G. K.; Kostyanovskii, R. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , p. 320 - 325 Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 3 p. 390 - 395