发明人罗永刚,陈志强,唐晓军. "Method for the Synthesis of 1-Methyl-5-(phenylcarbamoyl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111530874 B, 授权公告日 2024-12-09.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2023, 1370, 6820-6825.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2020, 229, (5), 2276-2286.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-5-(phenylcarbamoyl)-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". Chromatographia, 2022, 305, (6), 7891-7901.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2024, 694, (4), 9501-9524.