发明人王建平,陈志强,高志强. "Method for the Synthesis of Sodium Valproate EP Impurity D" [P]. 中国发明专利, 专利号 CN 116558257 B, 授权公告日 2017-05-20.
发明人林芳,钱学锋,朱建伟. "A Process for Preparing High-Purity Sodium Valproate EP Impurity D" [P]. 中国发明专利, 专利号 CN 117600068 A, 授权公告日 2016-06-27.
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