参考文献

Yudin, L. G.; Rumyantsev, A. N.; Sagitullin, R. S.; Kost, A. N. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , p. 57 - 59 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 1 p. 63 - 65