参考文献

Gevorkyan, A.A.; Arakelyan, A.S.; Kazaryan, P.I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 12 p. 1240 - 1242 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 12 p. 1611 - 1613