Roberts E F, Davis P L, Hughes D C. "Method for the Synthesis of cis-2-(3,4-Difluorobenzoyl)cyclohexanecarboxylic acid" [P]. US Patent, US 10636580 B2, 2021-03-17.
发明人王建平,钱学锋,马晓峰. "A Process for Preparing High-Purity cis-2-(3,4-Difluorobenzoyl)cyclohexanecarboxylic acid" [P]. 中国发明专利, 专利号 CN 110812143 A, 授权公告日 2024-05-03.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2014, 2405, 8152-8181.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2011, 1424, (3), 8829-8848.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of cis-2-(3,4-Difluorobenzoyl)cyclohexanecarboxylic acid Using HRMS and NMR". J. Sep. Sci., 2018, 2367, 9058-9084.