发明人马晓峰,周伟,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108659521 A, 授权公告日 2019-10-23.
发明人马晓峰,高志强,李文辉. "Method for the Synthesis of 1-(5-Aminopyridin-2-yl)-3-(methoxymethyl)-4,5-dihydro-1h-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 115969298 B, 授权公告日 2024-10-24.
Chen K W, Roberts E F, Schröder R. "A Process for Preparing High-Purity 1-(5-Aminopyridin-2-yl)-3-(methoxymethyl)-4,5-dihydro-1h-pyrazol-5-one" [P]. US Patent, US 11169317 B2, 2021-05-05.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2014, 1710, (10), 6505-6528.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2013, 1115, (4), 6694-6697.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 1-(5-Aminopyridin-2-yl)-3-(methoxymethyl)-4,5-dihydro-1h-pyrazol-5-one Using HRMS and NMR". Anal. Methods, 2019, 1608, (4), 5256-5276.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2012, 2403, (4), 3698-3706.