发明人高志强,赵玉洁,林芳. "Method for the Synthesis of 4-(3,4-Dimethylphenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 111190872 B, 授权公告日 2020-07-08.
发明人冯建国,赵玉洁,孙丽萍. "A Process for Preparing High-Purity 4-(3,4-Dimethylphenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 117629610 A, 授权公告日 2020-02-28.
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