发明人何建平,郭海燕,胡光. "Method for the Synthesis of 5-(Trifluoromethyl)-2,3-dihydrobenzo[b]thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112658915 A, 授权公告日 2022-04-22.
发明人徐明华,林芳,赵玉洁. "A Process for Preparing High-Purity 5-(Trifluoromethyl)-2,3-dihydrobenzo[b]thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110924827 A, 授权公告日 2023-06-25.
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