发明人李文辉,杨光,张德明. "Method for the Synthesis of 3,4-Dibromo-o-anisidine" [P]. 中国发明专利, 专利号 CN 110972570 A, 授权公告日 2015-01-20.
发明人李文辉,王建平,黄志刚. "A Process for Preparing High-Purity 3,4-Dibromo-o-anisidine" [P]. 中国发明专利, 专利号 CN 109374061 B, 授权公告日 2019-08-28.
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