Hughes D C, Schröder R, Brown S R. "Method for the Synthesis of (4S,5S)-N,N,5-Trimethyl-4,5-dihydrooxazole-4-carboxamide" [P]. US Patent, US 9872916 B2, 2023-09-12.
发明人唐晓军,徐明华,郑宇鹏. "A Process for Preparing High-Purity (4S,5S)-N,N,5-Trimethyl-4,5-dihydrooxazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 113627180 A, 授权公告日 2015-06-13.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2022, 989, (12), 9996-10012.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 525, (11), 4-12.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of (4S,5S)-N,N,5-Trimethyl-4,5-dihydrooxazole-4-carboxamide Using HRMS and NMR". Anal. Chem., 2017, 1498, (3), 5751-5771.