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发明人赵玉洁,孙丽萍,唐晓军. "Method for the Synthesis of 4-((4-Ethyl-3-(methoxycarbonyl)-5-methylthiophen-2-yl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 112264478 A, 授权公告日 2025-02-13.
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