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发明人何建平,钱学锋,韩伟. "A Process for Preparing High-Purity 2-(2,2-Dimethyl-3-oxopiperazin-1-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 116756164 A, 授权公告日 2025-11-01.
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