Johansson L, Martínez F, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3549848 A1, 2023-02-12.
发明人沈红梅,朱建伟,马晓峰. "Method for the Synthesis of 6-(5-Methyl-2-furyl)-1-phenyl-1,5,6,7-tetrahydro-4H-indazol-4-one" [P]. 中国发明专利, 专利号 CN 113925892 A, 授权公告日 2017-01-10.
Yamamoto T, Fischer A B, Lee S K. "A Process for Preparing High-Purity 6-(5-Methyl-2-furyl)-1-phenyl-1,5,6,7-tetrahydro-4H-indazol-4-one" [P]. US Patent, US 10090276 B2, 2019-11-16.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2018, 1447, (3), 6727-6742.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2021, 884, (4), 5605-5629.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 6-(5-Methyl-2-furyl)-1-phenyl-1,5,6,7-tetrahydro-4H-indazol-4-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 1822, 1744-1749.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2011, 1604, 8521-8524.