参考文献

Voshchula, V. N.; Tolkunov, S. V.; Zubritskii, M. Yu.; Dulenko, V. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, # 10 p. 1175 - 1180 Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 10 p. 1414 - 1419