发明人马晓峰,杨光,胡光. "Method for the Synthesis of 5-Chloro-3-propoxythiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109266763 B, 授权公告日 2022-01-11.
发明人钱学锋,赵玉洁,冯建国. "A Process for Preparing High-Purity 5-Chloro-3-propoxythiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113667749 A, 授权公告日 2018-04-16.
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