参考文献

Tikhonov, A. Ya.; Volodarskii, L. B.; Belova, N. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 1 p. 97 - 102 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 1 p. 115 - 120