发明人徐明华,黄志刚,赵玉洁. "Method for the Synthesis of 3-chloro-2,4-dimethoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 117559887 A, 授权公告日 2017-01-27.
发明人赵玉洁,徐明华,马晓峰. "A Process for Preparing High-Purity 3-chloro-2,4-dimethoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 112652222 A, 授权公告日 2020-04-20.
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