发明人陈志强,罗永刚,徐明华. "一种替扎尼定杂质027的合成方法" [P]. 中国发明专利, 专利号 CN 113501699 A, 授权公告日 2018-03-18.
发明人赵玉洁,胡光,唐晓军. "Method for the Synthesis of Tizanidine impurity 027" [P]. 中国发明专利, 专利号 CN 108607980 A, 授权公告日 2015-07-28.
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