发明人李文辉,周伟,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115357302 A, 授权公告日 2019-01-07.
发明人周伟,唐晓军,孙丽萍. "Method for the Synthesis of 6-Methyl-3-propyl-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115568438 B, 授权公告日 2024-10-24.
发明人韩伟,周伟,唐晓军. "A Process for Preparing High-Purity 6-Methyl-3-propyl-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117576313 B, 授权公告日 2025-10-17.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2011, 2287, 143-165.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2018, 1274, 8781-8809.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methyl-3-propyl-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid Using HRMS and NMR". Anal. Methods, 2020, 1741, (3), 3228-3250.