发明人马晓峰,钱学锋,唐晓军. "一种丙戊酸杂质47的合成方法" [P]. 中国发明专利, 专利号 CN 117158724 A, 授权公告日 2020-08-28.
发明人徐明华,罗永刚,韩伟. "Method for the Synthesis of Valproate Impurity 47" [P]. 中国发明专利, 专利号 CN 111568293 A, 授权公告日 2025-08-17.
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