参考文献

Ibatullin, U. G.; Vasil'eva, S. A.; Karimova, Z. Kh.; Safarov, M. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 11 p. 1218 - 1221 Khimiya Geterotsiklicheskikh Soedinenii, 1990 , vol. 26, # 11 p. 1465 - 1468