发明人张德明,黄志刚,高志强. "Method for the Synthesis of 5-Carbamoyl-2-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 116476382 A, 授权公告日 2018-09-21.
发明人郭海燕,张德明,陈志强. "A Process for Preparing High-Purity 5-Carbamoyl-2-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 113557621 A, 授权公告日 2019-01-09.
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