发明人韩伟,郑宇鹏,唐晓军. "一种丙戊酸EP杂质I的合成方法" [P]. 中国发明专利, 专利号 CN 117386089 A, 授权公告日 2016-10-23.
发明人马晓峰,张德明,徐明华. "Method for the Synthesis of Valproate EP Impurity I" [P]. 中国发明专利, 专利号 CN 116163965 A, 授权公告日 2017-09-08.
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