参考文献

Blokhin, A. V.; Tyurekhodzhaeva, M. A.; Bazhenov, D. V.; Bobrovskii, S. I.; Bundel', Yu. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 9 p. 1022 - 1025 Khimiya Geterotsiklicheskikh Soedinenii, 1990 , vol. 26, # 9 p. 1226 - 1229