参考文献

Budyka, M. F.; Kantor, M. M.; Alfimov, M. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 10 p. 1072 - 1075 Khimiya Geterotsiklicheskikh Soedinenii, 1991 , vol. 27, # 10 p. 1340 - 1343