发明人李文辉,张德明,钱学锋. "Method for the Synthesis of 2-Amino-4-cyanobenzoic acid" [P]. 中国发明专利, 专利号 CN 115477700 B, 授权公告日 2021-01-17.
发明人唐晓军,赵玉洁,黄志刚. "A Process for Preparing High-Purity 2-Amino-4-cyanobenzoic acid" [P]. 中国发明专利, 专利号 CN 111201102 A, 授权公告日 2019-11-18.
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