发明人徐明华,高志强,刘建华. "一种3-溴-4-(氯磺酰基)苯甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 111336717 A, 授权公告日 2021-02-26.
发明人朱建伟,韩伟,徐明华. "Method for the Synthesis of 3-Bromo-4-(chlorosulfonyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 114238585 A, 授权公告日 2024-12-26.
发明人赵玉洁,朱建伟,郑宇鹏. "A Process for Preparing High-Purity 3-Bromo-4-(chlorosulfonyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 113259077 B, 授权公告日 2020-08-08.
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