发明人王建平,韩伟,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115443975 A, 授权公告日 2018-04-07.
发明人徐明华,韩伟,黄志刚. "Method for the Synthesis of 3,4-Difluoro-5-formylbenzoic acid" [P]. 中国发明专利, 专利号 CN 113078561 B, 授权公告日 2024-03-17.
发明人郭海燕,周伟,罗永刚. "A Process for Preparing High-Purity 3,4-Difluoro-5-formylbenzoic acid" [P]. 中国发明专利, 专利号 CN 113877526 B, 授权公告日 2024-01-20.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2024, 2035, (9), 8499-8527.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2015, 1203, (3), 8924-8930.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-Difluoro-5-formylbenzoic acid Using HRMS and NMR". Molecules, 2012, 212, (2), 4456-4467.