发明人张德明,刘建华,高志强. "Method for the Synthesis of 3-(Difluoromethyl)isoxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111924830 B, 授权公告日 2022-10-08.
Kowalski A, Nielsen H, Johansson L. "A Process for Preparing High-Purity 3-(Difluoromethyl)isoxazole-4-carboxylic acid" [P]. European Patent, EP 3774986 A1, 2018-09-18.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2025, 1007, (11), 5012-5032.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2014, 2105, (5), 4215-4244.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethyl)isoxazole-4-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2021, 1814, 2314-2333.