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发明人李文辉,张德明,郑宇鹏. "A Process for Preparing High-Purity 6-Benzoyl-3-(2-chloroacetyl)benzo[d]oxazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 113994389 B, 授权公告日 2022-09-22.
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