发明人李文辉,郭海燕,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116263071 A, 授权公告日 2024-05-24.
发明人杨光,罗永刚,林芳. "Method for the Synthesis of 5-(3-Carboxy-4-hydroxyphenyl)-2-hydroxybenzoic acid" [P]. 中国发明专利, 专利号 CN 117807816 A, 授权公告日 2018-06-19.
发明人黄志刚,唐晓军,高志强. "A Process for Preparing High-Purity 5-(3-Carboxy-4-hydroxyphenyl)-2-hydroxybenzoic acid" [P]. 中国发明专利, 专利号 CN 116649445 A, 授权公告日 2018-10-21.
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