参考文献

Andreichikov, Yu. S.; Nekrasov, D. D.; Rudenko, M. A.; Nalimova, Yu. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, # 10 p. 1172 - 1174 Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 10 p. 1411 - 1413