Schröder R, Björnsson E, Johansson L. "一种的合成方法" [P]. European Patent, EP 3886868 A1, 2017-07-16.
发明人郑宇鹏,张德明,周伟. "Method for the Synthesis of 2-(4-Iodo-5-methyl-1h-pyrazol-1-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 110795986 B, 授权公告日 2021-12-05.
发明人赵玉洁,张德明,钱学锋. "A Process for Preparing High-Purity 2-(4-Iodo-5-methyl-1h-pyrazol-1-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 108123256 A, 授权公告日 2024-05-22.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2013, 2230, 1641-1670.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2018, 681, (12), 460-481.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Iodo-5-methyl-1h-pyrazol-1-yl)butanoic acid Using HRMS and NMR". Anal. Chim. Acta, 2020, 105, (10), 3348-3368.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2023, 2206, (5), 2703-2727.