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发明人徐明华,刘建华,张德明. "A Process for Preparing High-Purity 3-[1-ethyl-5-(morpholine-4-sulfonyl)-1h-1,3-benzodiazol-2-yl]propanoic acid" [P]. 中国发明专利, 专利号 CN 109512220 A, 授权公告日 2022-02-22.
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