发明人李文辉,罗永刚,林芳. "一种7-溴-2H-苯并吡喃-3-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 116683446 A, 授权公告日 2019-03-24.
发明人沈红梅,刘建华,朱建伟. "Method for the Synthesis of 7-Bromo-2H-chromene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117988614 B, 授权公告日 2018-03-06.
发明人高志强,胡光,黄志刚. "A Process for Preparing High-Purity 7-Bromo-2H-chromene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108136262 B, 授权公告日 2025-06-23.
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