发明人黄志刚,林芳,赵玉洁. "Method for the Synthesis of 3-Thiopheneacetic acid, 4-bromo-α,α-difluoro-, ethyl ester" [P]. 中国发明专利, 专利号 CN 115644707 B, 授权公告日 2018-08-25.
发明人唐晓军,徐明华,郑宇鹏. "A Process for Preparing High-Purity 3-Thiopheneacetic acid, 4-bromo-α,α-difluoro-, ethyl ester" [P]. 中国发明专利, 专利号 CN 116907612 A, 授权公告日 2020-03-22.
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