参考文献
Eremeev, A. V.; Krutius, O. N.; Mishnev, A. F.; Bleidelis, Ya. Ya.; Liepin'sh, E. E.; et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 10 p. 1108 - 1112
Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 10 p. 1349 - 1354