发明人韩伟,林芳,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114336551 A, 授权公告日 2018-05-04.
发明人胡光,王建平,罗永刚. "Method for the Synthesis of 3,5-Difluoro-4-[(prop-2-yn-1-yl)amino]benzoic acid" [P]. 中国发明专利, 专利号 CN 111870753 A, 授权公告日 2023-07-22.
Yamamoto T, Schröder R, Mueller T. "A Process for Preparing High-Purity 3,5-Difluoro-4-[(prop-2-yn-1-yl)amino]benzoic acid" [P]. US Patent, US 11152553 B2, 2025-02-16.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2012, 1331, (9), 2253-2258.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2025, 440, 4488-4493.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 3,5-Difluoro-4-[(prop-2-yn-1-yl)amino]benzoic acid Using HRMS and NMR". Chromatographia, 2019, 1171, (4), 3018-3026.