Davis P L, Patel M V, Williams B T. "Method for the Synthesis of 3-Phenyl-1-(2-(pyridin-4-yl)ethyl)-1H-pyrazol-5(4H)-one" [P]. US Patent, US 11492019 B2, 2025-04-18.
Brown S R, Thompson G K, Johnson M A. "A Process for Preparing High-Purity 3-Phenyl-1-(2-(pyridin-4-yl)ethyl)-1H-pyrazol-5(4H)-one" [P]. US Patent, US 10838581 B2, 2020-05-06.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2025, 252, (1), 3033-3048.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2013, 1411, 7663-7692.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Phenyl-1-(2-(pyridin-4-yl)ethyl)-1H-pyrazol-5(4H)-one Using HRMS and NMR". Phytochemistry, 2017, 92, 3316-3332.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2012, 1250, (11), 8195-8202.