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发明人赵玉洁,胡光,冯建国. "Method for the Synthesis of 3-(Thiophen-2-ylmethylidene)-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115317896 B, 授权公告日 2020-05-06.
发明人林芳,陈志强,黄志刚. "A Process for Preparing High-Purity 3-(Thiophen-2-ylmethylidene)-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110008191 A, 授权公告日 2022-07-21.
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