发明人唐晓军,陈志强,徐明华. "Method for the Synthesis of 4-(carboxymethyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113002331 A, 授权公告日 2022-02-09.
发明人高志强,周伟,孙丽萍. "A Process for Preparing High-Purity 4-(carboxymethyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114838388 B, 授权公告日 2022-09-06.
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