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发明人唐晓军,韩伟,马晓峰. "A Process for Preparing High-Purity Methyl 1-ethoxy-4-hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111884186 A, 授权公告日 2022-08-10.
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