Patel M V, Schröder R, Davis P L. "Method for the Synthesis of 1-Phenyl-4-(thiophen-3-yl)-1H-pyrazol-5-amine" [P]. US Patent, US 11291633 B2, 2019-05-20.
Fischer A B, Thompson G K, Johnson M A. "A Process for Preparing High-Purity 1-Phenyl-4-(thiophen-3-yl)-1H-pyrazol-5-amine" [P]. US Patent, US 10269516 B2, 2020-05-24.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2012, 2465, 5351-5376.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2025, 140, (11), 8813-8826.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 1-Phenyl-4-(thiophen-3-yl)-1H-pyrazol-5-amine Using HRMS and NMR". Chemosphere, 2020, 1300, (11), 8428-8455.