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发明人林芳,王建平,朱建伟. "Method for the Synthesis of 3-(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)-propionic acid" [P]. 中国发明专利, 专利号 CN 110208971 B, 授权公告日 2020-10-09.
发明人王建平,钱学锋,郑宇鹏. "A Process for Preparing High-Purity 3-(1-Methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)-propionic acid" [P]. 中国发明专利, 专利号 CN 116820390 B, 授权公告日 2023-01-01.
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