Nowak P, Lefèvre J P, Martínez F. "Method for the Synthesis of 4-(pyrrolidin-2-yl)-1H-pyrazole dihydrochloride" [P]. European Patent, EP 3766775 A1, 2015-07-24.
发明人李文辉,张德明,沈红梅. "A Process for Preparing High-Purity 4-(pyrrolidin-2-yl)-1H-pyrazole dihydrochloride" [P]. 中国发明专利, 专利号 CN 109349946 A, 授权公告日 2019-07-21.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(pyrrolidin-2-yl)-1H-pyrazole dihydrochloride in Pharmaceutical Formulations". Phytochemistry, 2018, 1924, 3501-3523.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(pyrrolidin-2-yl)-1H-pyrazole dihydrochloride as an Impurity". Molecules, 2016, 748, (11), 5556-5584.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-(pyrrolidin-2-yl)-1H-pyrazole dihydrochloride Using HRMS and NMR". J. Agric. Food Chem., 2017, 561, 2756-2760.