发明人徐明华,孙丽萍,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111439037 A, 授权公告日 2020-09-16.
发明人唐晓军,高志强,张德明. "Method for the Synthesis of 2-((3-Methoxyphenyl)amino)-2-oxoacetic acid" [P]. 中国发明专利, 专利号 CN 111275274 B, 授权公告日 2023-09-02.
发明人黄志刚,罗永刚,林芳. "A Process for Preparing High-Purity 2-((3-Methoxyphenyl)amino)-2-oxoacetic acid" [P]. 中国发明专利, 专利号 CN 115919117 B, 授权公告日 2023-04-14.
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