发明人罗永刚,朱建伟,李文辉. "Method for the Synthesis of 2-[(ethylcarbamoyl)amino]-6-fluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 110857062 A, 授权公告日 2024-09-26.
发明人赵玉洁,张德明,罗永刚. "A Process for Preparing High-Purity 2-[(ethylcarbamoyl)amino]-6-fluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 109170777 A, 授权公告日 2018-03-28.
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