发明人王建平,黄志刚,杨光. "Method for the Synthesis of 2-(3-Methyl-4-oxoisoxazolo[5,4-d]pyrimidin-5(4H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 108976815 B, 授权公告日 2017-11-20.
Björnsson E, Rossi M, Jørgensen K. "A Process for Preparing High-Purity 2-(3-Methyl-4-oxoisoxazolo[5,4-d]pyrimidin-5(4H)-yl)acetic acid" [P]. European Patent, EP 3835204 A1, 2019-12-14.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2023, 1964, 3873-3899.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2013, 2423, 2244-2259.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3-Methyl-4-oxoisoxazolo[5,4-d]pyrimidin-5(4H)-yl)acetic acid Using HRMS and NMR". Chromatographia, 2023, 2423, (9), 6133-6162.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2022, 1180, (8), 4226-4244.