发明人杨光,陈志强,沈红梅. "Method for the Synthesis of (Z)-2-[2-(2-Ethoxyphenyl)-5-methyl-1,3-oxazol-4-yl]-N'-hydroxyethanimidamide" [P]. 中国发明专利, 专利号 CN 117701474 A, 授权公告日 2017-01-15.
发明人唐晓军,罗永刚,朱建伟. "A Process for Preparing High-Purity (Z)-2-[2-(2-Ethoxyphenyl)-5-methyl-1,3-oxazol-4-yl]-N'-hydroxyethanimidamide" [P]. 中国发明专利, 专利号 CN 114374028 B, 授权公告日 2023-11-16.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 1722, 3850-3879.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 1191, (5), 4513-4530.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (Z)-2-[2-(2-Ethoxyphenyl)-5-methyl-1,3-oxazol-4-yl]-N'-hydroxyethanimidamide Using HRMS and NMR". Anal. Chem., 2024, 1477, (9), 3423-3442.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2015, 585, (7), 5308-5317.