发明人王建平,马晓峰,高志强. "Method for the Synthesis of 3-(3,4-Dimethoxyphenyl)-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 111666554 B, 授权公告日 2023-12-24.
发明人沈红梅,罗永刚,冯建国. "A Process for Preparing High-Purity 3-(3,4-Dimethoxyphenyl)-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 108625644 A, 授权公告日 2022-07-16.
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