参考文献
Kaimanakova, S. I.; Kuleshova, E. F.; Solov'eva, N. P.; Granik, V. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 11 p. 1208 - 1211
Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 11 p. 1553 - 1557