发明人刘建华,郭海燕,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108504454 A, 授权公告日 2024-05-27.
发明人王建平,罗永刚,高志强. "Method for the Synthesis of Ethyl 2-(5-bromo-4-cyano-2-nitrophenyl)acetate" [P]. 中国发明专利, 专利号 CN 109386306 A, 授权公告日 2020-02-20.
发明人朱建伟,徐明华,黄志刚. "A Process for Preparing High-Purity Ethyl 2-(5-bromo-4-cyano-2-nitrophenyl)acetate" [P]. 中国发明专利, 专利号 CN 114639289 A, 授权公告日 2024-12-04.
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