发明人林芳,徐明华,朱建伟. "Method for the Synthesis of 6-Hydroxy-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 109996418 A, 授权公告日 2017-06-13.
发明人赵玉洁,郑宇鹏,高志强. "A Process for Preparing High-Purity 6-Hydroxy-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-4-carboxylic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 111080969 A, 授权公告日 2022-03-20.
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