Sørensen M, Björnsson E, Nowak P. "一种的合成方法" [P]. European Patent, EP 3098754 A1, 2018-09-18.
发明人朱建伟,林芳,钱学锋. "Method for the Synthesis of 1,1'-Methylenebis(1H-pyrazole-4-carboxylic acid)" [P]. 中国发明专利, 专利号 CN 114910977 A, 授权公告日 2017-08-05.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 685, (4), 2888-2917.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2011, 1413, 1758-1770.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1,1'-Methylenebis(1H-pyrazole-4-carboxylic acid) Using HRMS and NMR". Molecules, 2010, 2027, 2713-2730.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2021, 1884, 4898-4923.