参考文献

Shorshnev, S. V.; Esipov, S. E.; Chernyshev, A. I.; Pozharskii, A. F.; Nanavyan, I. M.; Kuz'menko, V. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 11 p. 1247 - 1251 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 11 p. 1555 - 1559