Johnson M A, Park J H, Stevens L M. "一种4-氰基-2-甲氧基苯甲酸的合成方法" [P]. US Patent, US 11000571 B2, 2022-02-01.
发明人钱学锋,李文辉,徐明华. "Method for the Synthesis of 4-Cyano-2-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 114163027 A, 授权公告日 2020-06-10.
发明人罗永刚,朱建伟,周伟. "A Process for Preparing High-Purity 4-Cyano-2-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 114269576 A, 授权公告日 2021-12-01.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氰基-2-甲氧基苯甲酸 in Pharmaceutical Formulations". Anal. Chim. Acta, 2024, 2450, (6), 4906-4923.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氰基-2-甲氧基苯甲酸 as an Impurity". Biomed. Chromatogr., 2025, 1300, (3), 5924-5932.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyano-2-methoxybenzoic acid Using HRMS and NMR". Talanta, 2013, 2164, (5), 4997-5014.