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发明人刘建华,孙丽萍,黄志刚. "A Process for Preparing High-Purity 1-(3-Hydroxypropyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 117737181 A, 授权公告日 2021-01-16.
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