发明人张德明,胡光,郭海燕. "Method for the Synthesis of 1-[(1-phenyl-1H-pyrazol-4-yl)methyl]piperazine dihydrochloride" [P]. 中国发明专利, 专利号 CN 109481180 B, 授权公告日 2015-03-27.
发明人陈志强,胡光,郭海燕. "A Process for Preparing High-Purity 1-[(1-phenyl-1H-pyrazol-4-yl)methyl]piperazine dihydrochloride" [P]. 中国发明专利, 专利号 CN 109627733 A, 授权公告日 2023-11-11.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 1-[(1-phenyl-1H-pyrazol-4-yl)methyl]piperazine dihydrochloride in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2021, 84, (5), 838-864.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-[(1-phenyl-1H-pyrazol-4-yl)methyl]piperazine dihydrochloride as an Impurity". Chromatographia, 2020, 252, 4890-4917.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-[(1-phenyl-1H-pyrazol-4-yl)methyl]piperazine dihydrochloride Using HRMS and NMR". Talanta, 2024, 2185, (11), 2094-2105.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 1-[(1-phenyl-1H-pyrazol-4-yl)methyl]piperazine dihydrochloride Profile in Drug Substances According to ICH Guidelines". Food Chem., 2010, 390, 9198-9221.