发明人徐明华,刘建华,王建平. "Method for the Synthesis of 3-Isoxazolecarboxylic acid, methyl ester" [P]. 中国发明专利, 专利号 CN 113689772 B, 授权公告日 2025-03-26.
发明人郭海燕,周伟,黄志刚. "A Process for Preparing High-Purity 3-Isoxazolecarboxylic acid, methyl ester" [P]. 中国发明专利, 专利号 CN 109976468 A, 授权公告日 2024-12-09.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2018, 1045, (3), 515-523.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2010, 983, (9), 3558-3572.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Isoxazolecarboxylic acid, methyl ester Using HRMS and NMR". Anal. Methods, 2023, 1356, (11), 2015-2027.