参考文献

Krayushkin, M. M.; Loktionov, A. A.; Belen'kii, L. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, # 8 p. 850 - 856 Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 8 p. 1034 - 1040