Nowak P, Mueller T C, Martínez F. "Method for the Synthesis of 1-Phenyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine" [P]. European Patent, EP 3296467 A1, 2017-08-05.
Brown S R, Chen K W, O'Brien P Q. "A Process for Preparing High-Purity 1-Phenyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine" [P]. US Patent, US 9627116 B2, 2023-09-10.
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". Food Chem., 2018, 1627, (3), 8623-8635.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2015, 1202, 3069-3094.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-Phenyl-3-(thiophen-2-yl)-1H-pyrazol-5-amine Using HRMS and NMR". Biomed. Chromatogr., 2016, 1994, 5471-5494.