参考文献

Pozharskii, A. F.; Kuz'menko, V. V.; Nanavyan, I. M. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , vol. 19, # 11 p. 1247 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , # 11 p. 1564