Brown S R, Lee S K, Williams B T. "一种的合成方法" [P]. US Patent, US 10286437 B2, 2022-06-10.
Jørgensen K, Mueller T C, Rossi M. "Method for the Synthesis of Methyl 5-amino-2,3-dimethylbenzoate hydrochloride" [P]. European Patent, EP 3441378 A1, 2019-02-21.
Schröder R, Lefèvre J P, Rossi M. "A Process for Preparing High-Purity Methyl 5-amino-2,3-dimethylbenzoate hydrochloride" [P]. European Patent, EP 3491035 A1, 2020-07-11.
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". Molecules, 2015, 672, (10), 4538-4558.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2020, 346, 3114-3128.