参考文献

Mikhalev,A.I.; Konshin,M.E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1976 , vol. 12, p. 1022 - 1025 Khimiya Geterotsiklicheskikh Soedinenii, 1976 , vol. 12, p. 1235 - 1238