发明人林芳,陈志强,高志强. "Method for the Synthesis of 4-(3-{2-[Methyl(4-methylbenzoyl)amino]ethyl}-1,2,4-oxadiazol-5-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 109330758 B, 授权公告日 2021-05-08.
发明人冯建国,王建平,唐晓军. "A Process for Preparing High-Purity 4-(3-{2-[Methyl(4-methylbenzoyl)amino]ethyl}-1,2,4-oxadiazol-5-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 113429097 B, 授权公告日 2017-08-21.
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