发明人胡光,唐晓军,马晓峰. "Method for the Synthesis of 5-(3-Ethoxyphenyl)thiophene-2-sulfonic acid" [P]. 中国发明专利, 专利号 CN 111197297 A, 授权公告日 2025-05-05.
发明人孙丽萍,赵玉洁,刘建华. "A Process for Preparing High-Purity 5-(3-Ethoxyphenyl)thiophene-2-sulfonic acid" [P]. 中国发明专利, 专利号 CN 108782001 A, 授权公告日 2019-05-04.
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