参考文献

Ivashchenko, A. V.; Garicheva, O. N.; Shmelev, L. V.; Ryabokobylko, Yu. S.; Adamova, G. M. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 12 p. 1275 - 1278 Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 12 p. 1678 - 1681