Chen K W, Anderson J P, Hughes D C. "一种的合成方法" [P]. US Patent, US 11265107 B2, 2021-04-08.
发明人郑宇鹏,罗永刚,黄志刚. "Method for the Synthesis of α,4-Di-O-acetyl Vanillylmandelic Acid Ethyl Ester" [P]. 中国发明专利, 专利号 CN 117525407 A, 授权公告日 2022-04-09.
发明人李文辉,马晓峰,胡光. "A Process for Preparing High-Purity α,4-Di-O-acetyl Vanillylmandelic Acid Ethyl Ester" [P]. 中国发明专利, 专利号 CN 109668477 A, 授权公告日 2023-10-16.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 1383, (10), 6562-6585.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2011, 448, (12), 5348-5353.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of α,4-Di-O-acetyl Vanillylmandelic Acid Ethyl Ester Using HRMS and NMR". Biomed. Chromatogr., 2012, 153, (5), 1571-1593.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2012, 952, (11), 4590-4595.