Nowak P, Nielsen H, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3257738 A1, 2021-06-14.
发明人何建平,陈志强,李文辉. "Method for the Synthesis of 4-Chloro-5-methyl-isoxazole-3-carboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 114603349 B, 授权公告日 2019-02-04.
发明人马晓峰,罗永刚,黄志刚. "A Process for Preparing High-Purity 4-Chloro-5-methyl-isoxazole-3-carboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 117682664 A, 授权公告日 2024-03-11.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 2059, (12), 9539-9555.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2025, 114, 3573-3597.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-5-methyl-isoxazole-3-carboxylic acid methyl ester Using HRMS and NMR". J. Chromatogr. A, 2013, 2444, 9887-9892.