发明人刘建华,钱学锋,李文辉. "一种5-羟基-2-硝基苯甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 113756652 A, 授权公告日 2016-02-20.
发明人沈红梅,张德明,冯建国. "Method for the Synthesis of 5-Hydroxy-2-nitrobenzoic Acid" [P]. 中国发明专利, 专利号 CN 111267827 A, 授权公告日 2024-11-23.
发明人何建平,李文辉,郑宇鹏. "A Process for Preparing High-Purity 5-Hydroxy-2-nitrobenzoic Acid" [P]. 中国发明专利, 专利号 CN 117857953 B, 授权公告日 2023-07-13.
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