发明人周伟,朱建伟,冯建国. "一种替扎尼定EP杂质D的合成方法" [P]. 中国发明专利, 专利号 CN 116488651 A, 授权公告日 2016-03-14.
发明人胡光,沈红梅,赵玉洁. "Method for the Synthesis of Tizanidine EP Impurity D" [P]. 中国发明专利, 专利号 CN 108274697 A, 授权公告日 2022-04-20.
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