Lefèvre J P, Nowak P, Mueller T C. "Method for the Synthesis of 4,4-Dibenzyl-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one" [P]. European Patent, EP 3453869 A1, 2023-12-20.
发明人周伟,赵玉洁,王建平. "A Process for Preparing High-Purity 4,4-Dibenzyl-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 112596347 A, 授权公告日 2021-08-18.
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". Anal. Chem., 2010, 705, (7), 7376-7406.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2019, 1356, 4366-4383.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4,4-Dibenzyl-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one Using HRMS and NMR". J. Pharm. Biomed. Anal., 2020, 1967, (1), 8523-8541.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 1143, (3), 3451-3460.