发明人何建平,周伟,郑宇鹏. "Method for the Synthesis of 247225-82-7
4-Hydroxymethyl-6-methyl-2-oxo-1,2-dihydro-pyridine-3-carboxylic acid
8312AD
C8H9NO4" [P]. 中国发明专利, 专利号 CN 114783351 B, 授权公告日 2023-08-09.
发明人黄志刚,陈志强,唐晓军. "A Process for Preparing High-Purity 247225-82-7
4-Hydroxymethyl-6-methyl-2-oxo-1,2-dihydro-pyridine-3-carboxylic acid
8312AD
C8H9NO4" [P]. 中国发明专利, 专利号 CN 117011331 B, 授权公告日 2019-11-12.
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