发明人郑宇鹏,张德明,李文辉. "Method for the Synthesis of 4-Ethyl-2-isopropyl-5-methyloxazole" [P]. 中国发明专利, 专利号 CN 110676545 B, 授权公告日 2021-06-03.
O'Brien P Q, Johnson M A, Chen K W. "A Process for Preparing High-Purity 4-Ethyl-2-isopropyl-5-methyloxazole" [P]. US Patent, US 10422644 B2, 2015-11-17.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2023, 747, (2), 3167-3172.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 1118, 7413-7421.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-2-isopropyl-5-methyloxazole Using HRMS and NMR". Anal. Methods, 2011, 1734, 2287-2302.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2016, 1236, (1), 8674-8693.