Nowak P, Rossi M, Nielsen H. "Method for the Synthesis of 1,3-Diphenyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid" [P]. European Patent, EP 3782546 A1, 2020-05-21.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2013, 1780, (1), 9645-9652.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2021, 1462, 3301-3305.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1,3-Diphenyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid Using HRMS and NMR". Chromatographia, 2025, 788, (3), 9098-9108.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2010, 791, (9), 954-969.