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发明人韩伟,孙丽萍,郭海燕. "A Process for Preparing High-Purity 7-Methyl-5-oxo-3,5-dihydro-2H-oxazolo[3,2-a]pyridine-6-carboxamide" [P]. 中国发明专利, 专利号 CN 108490093 B, 授权公告日 2023-04-06.
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