Johansson L, Kowalski A, Mueller T C. "Method for the Synthesis of Methyl 5-hydroxy-1-phenyl-1H-pyrazole-3-carboxylate" [P]. European Patent, EP 3381792 A1, 2025-07-04.
发明人刘建华,王建平,郑宇鹏. "A Process for Preparing High-Purity Methyl 5-hydroxy-1-phenyl-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111279336 B, 授权公告日 2023-05-21.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 5-羟基-1-苯基-1H-吡唑-3-羧酸甲酯 in Pharmaceutical Formulations". Phytochemistry, 2016, 1113, 3205-3214.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-羟基-1-苯基-1H-吡唑-3-羧酸甲酯 as an Impurity". Biomed. Chromatogr., 2011, 99, 5577-5606.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-hydroxy-1-phenyl-1H-pyrazole-3-carboxylate Using HRMS and NMR". Talanta, 2020, 2456, (2), 6588-6600.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate 5-羟基-1-苯基-1H-吡唑-3-羧酸甲酯 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2016, 211, (9), 4109-4124.