发明人何建平,王建平,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116722039 A, 授权公告日 2025-07-22.
发明人何建平,林芳,马晓峰. "Method for the Synthesis of 5-(2-Chloro-4-fluorobenzamido)-3-methylthiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112206817 A, 授权公告日 2022-05-04.
发明人赵玉洁,郭海燕,郑宇鹏. "A Process for Preparing High-Purity 5-(2-Chloro-4-fluorobenzamido)-3-methylthiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109990149 A, 授权公告日 2025-05-08.
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