Yamamoto T, Brown S R, Hughes D C. "一种的合成方法" [P]. US Patent, US 11243632 B2, 2021-04-18.
发明人胡光,林芳,周伟. "Method for the Synthesis of 3-Methyl-N'-((5-methylfuran-2-yl)methylene)-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carbohydrazide" [P]. 中国发明专利, 专利号 CN 115526759 B, 授权公告日 2018-05-21.
发明人唐晓军,徐明华,赵玉洁. "A Process for Preparing High-Purity 3-Methyl-N'-((5-methylfuran-2-yl)methylene)-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carbohydrazide" [P]. 中国发明专利, 专利号 CN 113855060 B, 授权公告日 2017-10-25.
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". J. Pharm. Biomed. Anal., 2010, 978, 4865-4880.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2022, 202, (5), 3981-4005.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-N'-((5-methylfuran-2-yl)methylene)-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carbohydrazide Using HRMS and NMR". J. Sep. Sci., 2019, 2352, (11), 7921-7928.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2013, 1498, (11), 6503-6506.