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发明人李文辉,马晓峰,何建平. "A Process for Preparing High-Purity 1-(2-Hydroxyethyl)-4,5,6,7-tetrahydro-1h-indazol-4-one" [P]. 中国发明专利, 专利号 CN 114428824 B, 授权公告日 2023-07-04.
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