发明人马晓峰,李文辉,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108873642 A, 授权公告日 2025-11-11.
发明人李文辉,朱建伟,赵玉洁. "Method for the Synthesis of methyl pyrazolo[1,5-c]pyrimidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113272315 B, 授权公告日 2019-03-17.
Kowalski A, Schröder R, Björnsson E. "A Process for Preparing High-Purity methyl pyrazolo[1,5-c]pyrimidine-3-carboxylate" [P]. European Patent, EP 3971396 A1, 2018-10-04.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2014, 428, (7), 418-440.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2018, 2073, 4454-4462.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of methyl pyrazolo[1,5-c]pyrimidine-3-carboxylate Using HRMS and NMR". Molecules, 2025, 2110, (12), 9147-9151.