Anderson J P, Roberts E F, Williams B T. "一种的合成方法" [P]. US Patent, US 10219682 B2, 2015-10-21.
Patel M V, Davis P L, Chen K W. "Method for the Synthesis of 4-(Dimethylamino)-3-methylbenzoic acid" [P]. US Patent, US 11784543 B2, 2019-04-04.
发明人何建平,胡光,张德明. "A Process for Preparing High-Purity 4-(Dimethylamino)-3-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 113305347 B, 授权公告日 2023-03-18.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 1673, 1177-1197.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2011, 1008, 607-624.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Dimethylamino)-3-methylbenzoic acid Using HRMS and NMR". Anal. Methods, 2017, 1794, 5380-5389.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2013, 1225, (8), 3024-3035.