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发明人李文辉,周伟,郭海燕. "A Process for Preparing High-Purity 3-{3-carbamoyl-5,7-dimethylpyrazolo[1,5-a]pyrimidin-6-yl}propanoic acid" [P]. 中国发明专利, 专利号 CN 117339609 A, 授权公告日 2025-08-21.
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