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发明人孙丽萍,张德明,韩伟. "A Process for Preparing High-Purity 3-Oxo-2,3-dihydro-1H-pyrrolizine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117626008 A, 授权公告日 2023-01-19.
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