发明人郑宇鹏,杨光,唐晓军. "一种丁苯酞杂质68的合成方法" [P]. 中国发明专利, 专利号 CN 108107272 A, 授权公告日 2022-11-03.
Williams B T, Patel M V, Roberts E F. "Method for the Synthesis of Butylphthalide Impurity 68" [P]. US Patent, US 9617907 B2, 2015-04-25.
发明人马晓峰,杨光,赵玉洁. "A Process for Preparing High-Purity Butylphthalide Impurity 68" [P]. 中国发明专利, 专利号 CN 111019065 B, 授权公告日 2024-05-17.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 丁苯酞杂质68 in Pharmaceutical Formulations". J. Sep. Sci., 2014, 128, 5262-5282.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 丁苯酞杂质68 as an Impurity". Chemosphere, 2016, 1444, (7), 6827-6833.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Butylphthalide Impurity 68 Using HRMS and NMR". Anal. Methods, 2022, 1093, (2), 7399-7409.