参考文献

Martynova, M. N.; Pevzner, M. S.; Smorygo, N. A.; Serebryakova, N. M. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 12 p. 1238 - 1240 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , vol. 17, # 12 p. 1682 - 1684