Rossi M, Lefèvre J P, Schröder R. "一种丁苯酞杂质1的合成方法" [P]. European Patent, EP 3713691 A1, 2024-11-06.
发明人韩伟,郭海燕,何建平. "Method for the Synthesis of Butylphthalide Impurity 1" [P]. 中国发明专利, 专利号 CN 117154532 A, 授权公告日 2025-10-13.
Chen K W, Patel M V, Yamamoto T. "A Process for Preparing High-Purity Butylphthalide Impurity 1" [P]. US Patent, US 9777750 B2, 2023-11-16.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 丁苯酞杂质1 in Pharmaceutical Formulations". Food Chem., 2019, 485, 565-588.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 丁苯酞杂质1 as an Impurity". Anal. Chim. Acta, 2013, 1118, 4655-4658.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Butylphthalide Impurity 1 Using HRMS and NMR". J. Nat. Prod., 2010, 2223, (4), 9469-9480.