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发明人胡光,高志强,郑宇鹏. "A Process for Preparing High-Purity Ethyl 5-(3,4-dichlorophenyl)-[1,2,4]oxadiazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117697577 A, 授权公告日 2023-07-28.
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