发明人李文辉,何建平,徐明华. "Method for the Synthesis of 3-Acetamido-4-methyl-2-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 108867745 A, 授权公告日 2017-09-22.
发明人郑宇鹏,徐明华,黄志刚. "A Process for Preparing High-Purity 3-Acetamido-4-methyl-2-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 111473463 A, 授权公告日 2020-01-19.
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