发明人何建平,周伟,赵玉洁. "Method for the Synthesis of 2-(Phenyl(m-tolyl)amino)acetic acid" [P]. 中国发明专利, 专利号 CN 109304479 B, 授权公告日 2015-07-18.
发明人黄志刚,刘建华,陈志强. "A Process for Preparing High-Purity 2-(Phenyl(m-tolyl)amino)acetic acid" [P]. 中国发明专利, 专利号 CN 110531797 B, 授权公告日 2015-01-12.
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