发明人冯建国,林芳,马晓峰. "Method for the Synthesis of Methyl 4-(difluoromethyl)-2,6-difluorobenzoate" [P]. 中国发明专利, 专利号 CN 113949185 B, 授权公告日 2021-06-15.
发明人冯建国,刘建华,徐明华. "A Process for Preparing High-Purity Methyl 4-(difluoromethyl)-2,6-difluorobenzoate" [P]. 中国发明专利, 专利号 CN 112544924 B, 授权公告日 2024-08-03.
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". Molecules, 2015, 2302, (10), 320-339.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2018, 860, (2), 565-592.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-(difluoromethyl)-2,6-difluorobenzoate Using HRMS and NMR". Talanta, 2023, 1734, (4), 5990-6010.