Kowalski A, Martínez F, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3868355 A1, 2018-12-17.
Thompson G K, Hughes D C, Williams B T. "Method for the Synthesis of 2-(3,4-Dimethoxyphenyl)-1-(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid" [P]. US Patent, US 11420506 B2, 2015-08-06.
发明人杨光,唐晓军,孙丽萍. "A Process for Preparing High-Purity 2-(3,4-Dimethoxyphenyl)-1-(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109216888 A, 授权公告日 2022-05-05.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2012, 2169, (8), 1933-1942.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2016, 212, (10), 8424-8437.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3,4-Dimethoxyphenyl)-1-(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 2350, (10), 9471-9501.