参考文献

Murza, M. M.; Safina, D. M.; Kuvatov, Z. Kh. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 12 p. 1405 - 1407 Khimiya Geterotsiklicheskikh Soedinenii, 1993 , # 12 p. 1628 - 1630