发明人张德明,韩伟,孙丽萍. "Method for the Synthesis of 3-(2-Hydroxy-4-methoxyphenyl)-4-(4-carboxyphenoxy)-1H-pyrazole" [P]. 中国发明专利, 专利号 CN 112322072 B, 授权公告日 2025-10-16.
Björnsson E, Nowak P, Kowalski A. "A Process for Preparing High-Purity 3-(2-Hydroxy-4-methoxyphenyl)-4-(4-carboxyphenoxy)-1H-pyrazole" [P]. European Patent, EP 3253243 A1, 2017-05-11.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2023, 1153, 9333-9358.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2013, 1028, 6799-6812.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2-Hydroxy-4-methoxyphenyl)-4-(4-carboxyphenoxy)-1H-pyrazole Using HRMS and NMR". Food Chem., 2015, 1648, (8), 2871-2878.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2016, 972, 3206-3210.