发明人徐明华,赵玉洁,郭海燕. "Method for the Synthesis of 2-[(4-Ethylphenyl)formamido]acetic acid" [P]. 中国发明专利, 专利号 CN 114030945 B, 授权公告日 2021-03-24.
发明人孙丽萍,唐晓军,王建平. "A Process for Preparing High-Purity 2-[(4-Ethylphenyl)formamido]acetic acid" [P]. 中国发明专利, 专利号 CN 110652506 B, 授权公告日 2025-12-06.
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