参考文献

Shorshnev, S. V.; Aleksandrov, G. G.; Esipov, S. E.; Klyuev, N. A.; Chernyshev, A. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, # 12 p. 1367 - 1373 Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 12 p. 1654 - 1660