发明人林芳,朱建伟,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112798789 A, 授权公告日 2022-10-02.
Schröder R, Stevens L M, Kumar R. "Method for the Synthesis of 2,5-Dichlorothiophene-3-carbohydrazide" [P]. US Patent, US 11961146 B2, 2017-08-22.
发明人沈红梅,罗永刚,冯建国. "A Process for Preparing High-Purity 2,5-Dichlorothiophene-3-carbohydrazide" [P]. 中国发明专利, 专利号 CN 112061225 A, 授权公告日 2020-09-22.
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 in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 537, 7604-7629.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2024, 2043, (10), 1370-1391.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2,5-Dichlorothiophene-3-carbohydrazide Using HRMS and NMR". Biomed. Chromatogr., 2021, 1682, 7465-7474.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2013, 530, (4), 8105-8117.