发明人王建平,冯建国,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110589798 A, 授权公告日 2021-10-09.
发明人王建平,黄志刚,何建平. "Method for the Synthesis of Methyl 4-cyano-2,3-difluorobenzoate" [P]. 中国发明专利, 专利号 CN 108357753 A, 授权公告日 2018-04-19.
发明人钱学锋,徐明华,郑宇鹏. "A Process for Preparing High-Purity Methyl 4-cyano-2,3-difluorobenzoate" [P]. 中国发明专利, 专利号 CN 112695242 A, 授权公告日 2017-05-23.
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