发明人高志强,赵玉洁,张德明. "Method for the Synthesis of Ethyl 4-cyano-2-fluorobenzoate" [P]. 中国发明专利, 专利号 CN 109402854 A, 授权公告日 2021-02-17.
发明人何建平,韩伟,周伟. "A Process for Preparing High-Purity Ethyl 4-cyano-2-fluorobenzoate" [P]. 中国发明专利, 专利号 CN 114797854 A, 授权公告日 2022-07-11.
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