发明人刘建华,林芳,何建平. "Method for the Synthesis of 2,4-Dihydroxy-3-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 114501784 A, 授权公告日 2016-09-02.
发明人郑宇鹏,赵玉洁,张德明. "A Process for Preparing High-Purity 2,4-Dihydroxy-3-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 116645051 A, 授权公告日 2020-07-15.
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