发明人郭海燕,罗永刚,陈志强. "Method for the Synthesis of 4-{[2-(propan-2-yl)phenyl]amino}benzoic acid" [P]. 中国发明专利, 专利号 CN 115976513 B, 授权公告日 2016-01-26.
发明人马晓峰,郑宇鹏,何建平. "A Process for Preparing High-Purity 4-{[2-(propan-2-yl)phenyl]amino}benzoic acid" [P]. 中国发明专利, 专利号 CN 115796393 A, 授权公告日 2021-10-22.
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