Thompson G K, Klinger H, Lee S K. "Method for the Synthesis of 3-Ethoxy-5-phenylthiophene-2-carboxylic acid" [P]. US Patent, US 11583925 B2, 2022-05-19.
发明人张德明,郭海燕,冯建国. "A Process for Preparing High-Purity 3-Ethoxy-5-phenylthiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116782704 B, 授权公告日 2025-12-10.
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