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发明人李文辉,陈志强,沈红梅. "Method for the Synthesis of 2,2-Difluoro-2-(1H-pyrrolo[2,3-b]pyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 112432443 B, 授权公告日 2018-04-19.
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