结论此方法收率高，产品纯度好，适合工业化生产。
Conclusion The method afforded high yield, highly pure product, and was suitable for industrialization.
本方法工艺简便，成本低，节省原材料，无环境污染，回收率高，纯度好。
Said method features simple process, low cost, saving raw material, without environmental pollution, high recovery rate and good purity.
该方法反应条件温和，收率高，纯度好，污染小，母液可循环利用，适于工业化生产。
This method has the characteristics of milder reaction conditions, higher yield, higher purity, less pollution, reusable of the mother liquid and suitable for commercial production.
应用推荐