Yamamoto T, Thompson G K, Klinger H. "一种的合成方法" [P]. US Patent, US 11703197 B2, 2015-01-12.
Park J H, Fischer A B, Patel M V. "Method for the Synthesis of 1-Benzyl-3-(4-ethylphenyl)-1h-pyrazole-4-carboxylic acid" [P]. US Patent, US 9357320 B2, 2019-10-05.
Davis P L, Stevens L M, Roberts E F. "A Process for Preparing High-Purity 1-Benzyl-3-(4-ethylphenyl)-1h-pyrazole-4-carboxylic acid" [P]. US Patent, US 10844696 B2, 2015-06-26.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 1797, 9618-9642.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2014, 952, (12), 3284-3289.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1-Benzyl-3-(4-ethylphenyl)-1h-pyrazole-4-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 2236, (8), 6942-6947.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2013, 907, (7), 8217-8237.