Schröder R, Martínez F, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3221500 A1, 2021-11-12.
发明人王建平,沈红梅,罗永刚. "Method for the Synthesis of 5-Bromo-1-methyl-1H-pyrazol-4-ol" [P]. 中国发明专利, 专利号 CN 110840058 A, 授权公告日 2025-04-20.
发明人李文辉,朱建伟,黄志刚. "A Process for Preparing High-Purity 5-Bromo-1-methyl-1H-pyrazol-4-ol" [P]. 中国发明专利, 专利号 CN 110855033 B, 授权公告日 2023-07-21.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2025, 198, 1653-1679.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2020, 2231, 4830-4838.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-1-methyl-1H-pyrazol-4-ol Using HRMS and NMR". Molecules, 2013, 1974, (11), 6407-6435.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2023, 1328, (4), 8028-8034.