Stevens L M, Patel M V, Williams B T. "Method for the Synthesis of Butylphthalide Impurity 32" [P]. US Patent, US 10398983 B2, 2017-06-21.
发明人冯建国,钱学锋,胡光. "A Process for Preparing High-Purity Butylphthalide Impurity 32" [P]. 中国发明专利, 专利号 CN 113469942 B, 授权公告日 2020-12-16.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 2181, (3), 6268-6285.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2014, 408, 3949-3977.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Butylphthalide Impurity 32 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 1263, (11), 1109-1115.