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发明人张德明,郭海燕,郑宇鹏. "Method for the Synthesis of 3-(Dimethylamino)phenylacetic Acid" [P]. 中国发明专利, 专利号 CN 114378535 A, 授权公告日 2023-10-01.
Johansson L, Schröder R, Björnsson E. "A Process for Preparing High-Purity 3-(Dimethylamino)phenylacetic Acid" [P]. European Patent, EP 3235889 A1, 2022-01-17.
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