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发明人李文辉,唐晓军,冯建国. "A Process for Preparing High-Purity N-Propyl(4-(N-propylcarbamoyl)(1,4-diazaperhydroepinyl))formamide" [P]. 中国发明专利, 专利号 CN 117512566 A, 授权公告日 2025-04-12.
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