发明人徐明华,钱学锋,朱建伟. "Method for the Synthesis of 3-Bromo-4-cyano-2-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 113322383 A, 授权公告日 2017-06-12.
发明人黄志刚,唐晓军,何建平. "A Process for Preparing High-Purity 3-Bromo-4-cyano-2-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 110122375 A, 授权公告日 2019-01-21.
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