发明人冯建国,黄志刚,何建平. "Method for the Synthesis of [2,4'-bipyrimidine]-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110257316 A, 授权公告日 2022-10-03.
发明人罗永刚,刘建华,朱建伟. "A Process for Preparing High-Purity [2,4'-bipyrimidine]-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108564006 B, 授权公告日 2023-03-11.
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". Rapid Commun. Mass Spectrom., 2013, 1431, 5117-5144.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2016, 328, 9137-9149.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of [2,4'-bipyrimidine]-5-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2020, 1508, (1), 6228-6234.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2013, 1452, 6933-6938.