Therefore the 183W NMR spectrum can be used as a powerful tool for examining the products and their purity, and distinguishing the isomers and new structure in solution.

• 183W核磁共振谱可以作为反应产物鉴别、产品纯度检验的有利工具。183W核磁共振谱还是溶液中鉴别异构体、发现新结构的有利工具。