Schröder R, Brown S R, Klinger H. "一种的合成方法" [P]. US Patent, US 10649165 B2, 2019-09-27.
Sørensen M, Schröder R, Kowalski A. "Method for the Synthesis of 5-Cyclopropoxy-2-ethylpyridin-4-amine" [P]. European Patent, EP 3454032 A1, 2024-11-03.
发明人罗永刚,王建平,高志强. "A Process for Preparing High-Purity 5-Cyclopropoxy-2-ethylpyridin-4-amine" [P]. 中国发明专利, 专利号 CN 116917052 A, 授权公告日 2022-08-03.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2018, 2369, 3756-3766.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2015, 1586, (10), 2552-2558.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Cyclopropoxy-2-ethylpyridin-4-amine Using HRMS and NMR". Biomed. Chromatogr., 2017, 296, (8), 7546-7562.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 1182, 9188-9207.