发明人王建平,沈红梅,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114173688 A, 授权公告日 2021-06-03.
发明人郭海燕,黄志刚,唐晓军. "Method for the Synthesis of 4-Bromo-1-(2-fluoroethyl)-1,2-dihydro-3h-pyrazol-3-imine" [P]. 中国发明专利, 专利号 CN 117205877 B, 授权公告日 2016-07-02.
Mueller T C, Kowalski A, Schröder R. "A Process for Preparing High-Purity 4-Bromo-1-(2-fluoroethyl)-1,2-dihydro-3h-pyrazol-3-imine" [P]. European Patent, EP 3649399 A1, 2019-07-28.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2025, 1331, (11), 157-169.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2025, 1265, (12), 7156-7184.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-1-(2-fluoroethyl)-1,2-dihydro-3h-pyrazol-3-imine Using HRMS and NMR". Anal. Methods, 2014, 460, (6), 3560-3580.