Stevens L M, Chen K W, Lee S K. "Method for the Synthesis of 5-(Chloromethyl)-2-phenylpyrazolo[1,5-a]pyrimidin-7(1H)-one" [P]. US Patent, US 11802045 B2, 2025-01-19.
发明人钱学锋,何建平,李文辉. "A Process for Preparing High-Purity 5-(Chloromethyl)-2-phenylpyrazolo[1,5-a]pyrimidin-7(1H)-one" [P]. 中国发明专利, 专利号 CN 110946030 B, 授权公告日 2025-04-04.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2022, 415, 9892-9911.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 1929, (1), 1736-1739.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Chloromethyl)-2-phenylpyrazolo[1,5-a]pyrimidin-7(1H)-one Using HRMS and NMR". Talanta, 2014, 1183, 4219-4232.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2022, 1464, (1), 9147-9157.