发明人周伟,李文辉,胡光. "Method for the Synthesis of 2-hydroxy-2-(1-methyl-1H-pyrazol-4-yl)acetic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 116048438 B, 授权公告日 2019-11-21.
发明人唐晓军,郑宇鹏,钱学锋. "A Process for Preparing High-Purity 2-hydroxy-2-(1-methyl-1H-pyrazol-4-yl)acetic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 116748854 A, 授权公告日 2023-04-17.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 2-hydroxy-2-(1-methyl-1H-pyrazol-4-yl)acetic acid hydrochloride in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 211, 3107-3116.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-hydroxy-2-(1-methyl-1H-pyrazol-4-yl)acetic acid hydrochloride as an Impurity". Chromatographia, 2021, 2446, (9), 6649-6652.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-hydroxy-2-(1-methyl-1H-pyrazol-4-yl)acetic acid hydrochloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 1750, 8458-8463.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate 2-hydroxy-2-(1-methyl-1H-pyrazol-4-yl)acetic acid hydrochloride Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2024, 1160, 935-954.