参考文献
Orlov, V. D.; Yaremenko, F. G.; Kolos, N. N.; Pivnenko, N. S.; Lavrushin, V. F.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 4 p. 424 - 428
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 4 p. 544 - 549
