发明人郑宇鹏,朱建伟,周伟. "Method for the Synthesis of 5-Chloro-3-(chlorosulfonyl)-2-fluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 110646440 B, 授权公告日 2022-05-02.
发明人郭海燕,赵玉洁,李文辉. "A Process for Preparing High-Purity 5-Chloro-3-(chlorosulfonyl)-2-fluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 112949410 B, 授权公告日 2022-02-13.
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