发明人刘建华,周伟,冯建国. "Method for the Synthesis of 4-Bromo-5-(cyclohexyloxy)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113123786 B, 授权公告日 2025-03-15.
发明人张德明,王建平,孙丽萍. "A Process for Preparing High-Purity 4-Bromo-5-(cyclohexyloxy)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111308934 B, 授权公告日 2019-05-21.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 1424, (1), 8085-8095.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2023, 770, 5071-5079.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-5-(cyclohexyloxy)-1H-pyrazole-3-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 1335, 1540-1546.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2021, 849, 8065-8080.