发明人林芳,高志强,张德明. "Method for the Synthesis of 2-((3-Cyano-4-(furan-2-yl)-6,7-dihydro-5h-cyclopenta[b]pyridin-2-yl)thio)acetic acid" [P]. 中国发明专利, 专利号 CN 110546598 B, 授权公告日 2019-01-07.
发明人林芳,刘建华,周伟. "A Process for Preparing High-Purity 2-((3-Cyano-4-(furan-2-yl)-6,7-dihydro-5h-cyclopenta[b]pyridin-2-yl)thio)acetic acid" [P]. 中国发明专利, 专利号 CN 117462577 B, 授权公告日 2016-03-28.
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