发明人李文辉,何建平,周伟. "Method for the Synthesis of 3-(4-Chlorobenzyl)-4-hydroxy-1-(pyridin-4-ylmethyl)pyridin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 113332175 A, 授权公告日 2022-12-11.
发明人沈红梅,黄志刚,张德明. "A Process for Preparing High-Purity 3-(4-Chlorobenzyl)-4-hydroxy-1-(pyridin-4-ylmethyl)pyridin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 117428950 A, 授权公告日 2021-09-20.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2011, 96, (7), 9104-9122.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2020, 493, (6), 7889-7900.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4-Chlorobenzyl)-4-hydroxy-1-(pyridin-4-ylmethyl)pyridin-2(1H)-one Using HRMS and NMR". J. Agric. Food Chem., 2013, 642, 6177-6190.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2019, 81, 2700-2718.