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发明人何建平,刘建华,陈志强. "A Process for Preparing High-Purity N, N- Diethyl- 1, 3- dihydro- α- methyl- 3- oxo- 1- phenyl-2H- indazole- 2- acetamide" [P]. 中国发明专利, 专利号 CN 109438180 B, 授权公告日 2025-01-15.
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