参考文献
Korostova, S. E.; Trofimov, B. A.; Sobenina, L. N.; Mikhaleva, A. I.; Sigalov, M. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 10 p. 1043 - 1045
Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 10 p. 1351 - 1353