阅读说明：本技术 用于制备(-)-西苯唑啉琥珀酸盐的新方法 (Novel process for the preparation of (-) -xylometazoline succinate ) 是由 S·R·德西雷迪 V·T·马塔德 D·R·莱恩 V·S·帕蒂尔 于 2019-09-20 设计创作，主要内容包括：本发明涉及(-)-西苯唑啉琥珀酸盐的晶型。此外,本发明涉及用于制备手性纯度为99.9％或更高的(-)-西苯唑啉琥珀酸盐的方法。另外,本发明提供用于制备(-)-西苯唑啉琥珀酸盐及其晶型的方法。(The present invention relates to crystalline forms of (-) -xylometazoline succinate. Furthermore, the present invention relates to a process for the preparation of (-) -xylometazoline succinate having a chiral purity of 99.9% or higher. In addition, the present invention provides processes for the preparation of (-) -xylometazoline succinate and crystalline forms thereof.)