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发明人李文辉,陈志强,高志强. "Method for the Synthesis of 4-amino-3-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 111662191 A, 授权公告日 2016-02-25.
发明人郭海燕,沈红梅,林芳. "A Process for Preparing High-Purity 4-amino-3-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 109382116 B, 授权公告日 2022-08-14.
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