参考文献

Krauze, A. A.; Bomika, Z. A.; Pelcher, Yu. E.; Mazheika, I. B.; Dubur, G. Ya. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 4 p. 385 - 390 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 4 p. 508 - 512