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发明人马晓峰,刘建华,唐晓军. "A Process for Preparing High-Purity Ethyl 5-isopentyl-1,2,4-oxadiazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117127044 A, 授权公告日 2019-05-04.
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