发明人杨光,陈志强,冯建国. "Method for the Synthesis of 3,6-Difluoro-2-hydroxybenzoic acid" [P]. 中国发明专利, 专利号 CN 114413757 B, 授权公告日 2019-11-22.
发明人李文辉,罗永刚,林芳. "A Process for Preparing High-Purity 3,6-Difluoro-2-hydroxybenzoic acid" [P]. 中国发明专利, 专利号 CN 117835439 A, 授权公告日 2015-08-25.
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