发明人孙丽萍,冯建国,高志强. "Method for the Synthesis of 1-[(1-ethyl-5-methyl-1h-pyrazol-4-yl)sulfonyl]piperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111198369 B, 授权公告日 2019-11-13.
Davis P L, Park J H, Chen K W. "A Process for Preparing High-Purity 1-[(1-ethyl-5-methyl-1h-pyrazol-4-yl)sulfonyl]piperidine-4-carboxylic acid" [P]. US Patent, US 10121879 B2, 2017-07-20.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2011, 232, 1774-1799.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2023, 402, (12), 7886-7891.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-[(1-ethyl-5-methyl-1h-pyrazol-4-yl)sulfonyl]piperidine-4-carboxylic acid Using HRMS and NMR". Talanta, 2013, 774, (5), 3312-3320.