发明人冯建国,马晓峰,张德明. "Method for the Synthesis of 2-(1H-pyrazol-1-yl)ethan-1-amine dihydrochloride" [P]. 中国发明专利, 专利号 CN 108031681 B, 授权公告日 2020-02-04.
Johnson M A, Schröder R, Mueller T. "A Process for Preparing High-Purity 2-(1H-pyrazol-1-yl)ethan-1-amine dihydrochloride" [P]. US Patent, US 11559630 B2, 2019-06-01.
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". Rapid Commun. Mass Spectrom., 2019, 1401, 1800-1823.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 2018, (1), 4756-4772.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-(1H-pyrazol-1-yl)ethan-1-amine dihydrochloride Using HRMS and NMR". Molecules, 2022, 1053, 2226-2236.