发明人高志强,王建平,钱学锋. "一种4-氨基-3-氯-5-羟基苯甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 116248108 A, 授权公告日 2019-01-18.
发明人张德明,朱建伟,刘建华. "Method for the Synthesis of 4-Amino-3-chloro-5-hydroxybenzoic acid" [P]. 中国发明专利, 专利号 CN 114942784 A, 授权公告日 2021-03-16.
发明人李文辉,黄志刚,刘建华. "A Process for Preparing High-Purity 4-Amino-3-chloro-5-hydroxybenzoic acid" [P]. 中国发明专利, 专利号 CN 110244498 A, 授权公告日 2022-12-18.
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