Johnson M A, Stevens L M, Anderson J P. "Method for the Synthesis of 5-Cyano-2-methylbenzoic acid" [P]. US Patent, US 9598199 B2, 2024-05-23.
发明人林芳,郑宇鹏,王建平. "A Process for Preparing High-Purity 5-Cyano-2-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 108205909 B, 授权公告日 2025-02-14.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2018, 1100, (1), 4324-4336.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 1284, (8), 3529-3559.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-Cyano-2-methylbenzoic acid Using HRMS and NMR". Chromatographia, 2015, 1278, 1941-1968.