参考文献
Prosyanik, A.V.; Moskalenko, A.S.; Moretti, J.; Forni, A.; Torre, G.; Kostyanovskii, R.G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 4 p. 431 - 437
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 4 p. 525 - 532