发明人高志强,林芳,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108433653 A, 授权公告日 2022-02-03.
O'Brien P Q, Fischer A B, Lee S K. "Method for the Synthesis of Ethyl 4-(pyridine-3-carbonyl)-1,2-oxazole-3-carboxylate" [P]. US Patent, US 9270011 B2, 2023-10-10.
发明人杨光,王建平,胡光. "A Process for Preparing High-Purity Ethyl 4-(pyridine-3-carbonyl)-1,2-oxazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113611532 A, 授权公告日 2021-08-11.
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., 2013, 640, 9334-9354.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2019, 347, 6335-6359.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(pyridine-3-carbonyl)-1,2-oxazole-3-carboxylate Using HRMS and NMR". Sci. Total Environ., 2015, 655, (5), 8826-8848.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2021, 2264, 5912-5937.