Mueller T, Fischer A B, Schröder R. "一种的合成方法" [P]. US Patent, US 10736922 B2, 2016-12-24.
Park J H, Lee S K, Davis P L. "Method for the Synthesis of 2-(1-Methylpiperidin-4-yl)-3-oxo-2,3-dihydropyridazine-4-carboxylic acid" [P]. US Patent, US 11626468 B2, 2015-01-23.
Davis P L, Brown S R, Schröder R. "A Process for Preparing High-Purity 2-(1-Methylpiperidin-4-yl)-3-oxo-2,3-dihydropyridazine-4-carboxylic acid" [P]. US Patent, US 9209405 B2, 2018-05-11.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 1747, 6434-6448.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2014, 2348, (12), 9687-9706.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(1-Methylpiperidin-4-yl)-3-oxo-2,3-dihydropyridazine-4-carboxylic acid Using HRMS and NMR". Molecules, 2014, 953, 1454-1463.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2014, 1156, 3146-3166.