发明人赵玉洁,孙丽萍,冯建国. "Method for the Synthesis of amino(4-ethylphenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 115549925 A, 授权公告日 2018-10-07.
发明人朱建伟,唐晓军,冯建国. "A Process for Preparing High-Purity amino(4-ethylphenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 110797190 A, 授权公告日 2021-10-20.
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