参考文献
Baltrushis, R. S.; Beresnevichyus, Z. I. G.; Mitskyavichyus, V. Yu.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 10 p. 1089 - 1095
Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 10 p. 1400 - 1406