参考文献

Sheverdov; Andreev, A. Yu.; Ershov; Nasakin; Tafeenko; Gein Chemistry of Heterocyclic Compounds, 2012 , vol. 48, # 7 p. 997 - 1005 Khim. Geterotsikl. Soedin., 2012 , # 7 p. 1073 - 1082,10