Klinger H, Yamamoto T, Park J H. "一种的合成方法" [P]. US Patent, US 11621899 B2, 2018-06-16.
Brown S R, Williams B T, Thompson G K. "Method for the Synthesis of 2-Ethyl-oxazole-4-carboxylic acid methyl ester" [P]. US Patent, US 11364242 B2, 2016-09-20.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 2194, (1), 3220-3227.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 1851, (2), 9667-9697.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethyl-oxazole-4-carboxylic acid methyl ester Using HRMS and NMR". Molecules, 2011, 707, (3), 858-870.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2015, 282, (1), 6264-6270.