发明人王建平,胡光,陈志强. "Method for the Synthesis of 1-(5-Methyl-2-phenyl-2H-pyrazol-3-yl)-3-phenyl-urea" [P]. 中国发明专利, 专利号 CN 114390523 B, 授权公告日 2015-03-25.
Patel M V, Williams B T, Mueller T. "A Process for Preparing High-Purity 1-(5-Methyl-2-phenyl-2H-pyrazol-3-yl)-3-phenyl-urea" [P]. US Patent, US 10480057 B2, 2021-01-27.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2014, 1955, 2382-2405.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2016, 1842, (6), 7188-7204.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 1-(5-Methyl-2-phenyl-2H-pyrazol-3-yl)-3-phenyl-urea Using HRMS and NMR". Sci. Total Environ., 2015, 1896, (4), 4915-4938.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2019, 1339, (5), 7997-8022.