发明人罗永刚,徐明华,郭海燕. "Method for the Synthesis of Ethyl 3-bromo-4-cyano-5-methylbenzoate" [P]. 中国发明专利, 专利号 CN 115151389 A, 授权公告日 2025-07-24.
发明人郭海燕,朱建伟,唐晓军. "A Process for Preparing High-Purity Ethyl 3-bromo-4-cyano-5-methylbenzoate" [P]. 中国发明专利, 专利号 CN 113606727 A, 授权公告日 2022-07-18.
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