参考文献

Sheinkman A. K.; Chmilenko T. S.; Nezdiiminoga T. N. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 9 p. 991 - 996 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 9 p. 1214 - 1218