Fischer A B, Klinger H, Hughes D C. "Method for the Synthesis of 1-((4-Bromo-1H-pyrazol-1-yl)methyl)-1H-pyrazole-4-carboxylic acid" [P]. US Patent, US 11721414 B2, 2018-11-04.
发明人李文辉,罗永刚,杨光. "A Process for Preparing High-Purity 1-((4-Bromo-1H-pyrazol-1-yl)methyl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116925347 B, 授权公告日 2022-12-12.
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". Food Chem., 2023, 250, (6), 1420-1441.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2021, 1501, 8681-8691.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-((4-Bromo-1H-pyrazol-1-yl)methyl)-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". Anal. Methods, 2018, 1832, 1490-1514.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2010, 1046, (12), 9633-9661.