Klinger H, Mueller T, Davis P L. "Method for the Synthesis of 4-(2-Hydroxyethyl)-3-methylisoxazol-5(4H)-one" [P]. US Patent, US 11289330 B2, 2020-01-02.
Mueller T C, Schröder R, Nielsen H. "A Process for Preparing High-Purity 4-(2-Hydroxyethyl)-3-methylisoxazol-5(4H)-one" [P]. European Patent, EP 3253705 A1, 2025-05-16.
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". Environ. Sci. Technol., 2013, 2214, (11), 2644-2651.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2012, 617, (9), 3394-3422.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-Hydroxyethyl)-3-methylisoxazol-5(4H)-one Using HRMS and NMR". J. Pharm. Biomed. Anal., 2010, 317, 4771-4788.