参考文献

Morkovnik, A. S.; Dobaeva, N. M.; Okhlobystin, O. Yu. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , p. 111 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 1 p. 122 - 123