Stevens L M, Klinger H, Brown S R. "一种的合成方法" [P]. US Patent, US 10261055 B2, 2021-10-13.
发明人黄志刚,李文辉,朱建伟. "Method for the Synthesis of 2-(1H-Pyrazol-4-yl)piperazine" [P]. 中国发明专利, 专利号 CN 117185587 A, 授权公告日 2016-04-27.
Schröder R, Stevens L M, Kumar R. "A Process for Preparing High-Purity 2-(1H-Pyrazol-4-yl)piperazine" [P]. US Patent, US 11393338 B2, 2016-12-06.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2017, 1583, (10), 7528-7554.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2012, 171, (5), 2839-2864.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-(1H-Pyrazol-4-yl)piperazine Using HRMS and NMR". J. Sep. Sci., 2013, 1974, (12), 7717-7741.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2014, 1912, 2826-2831.