Davis P L, Hughes D C, Chen K W. "一种的合成方法" [P]. US Patent, US 9007752 B2, 2023-05-21.
Nielsen H, Lefèvre J P, Jørgensen K. "Method for the Synthesis of 2-(Propylamino)-4-(1h-pyrazol-1-yl)butanamide" [P]. European Patent, EP 3418817 A1, 2018-07-20.
Björnsson E, Schröder R, Mueller T C. "A Process for Preparing High-Purity 2-(Propylamino)-4-(1h-pyrazol-1-yl)butanamide" [P]. European Patent, EP 3362434 A1, 2017-01-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2024, 733, 5564-5572.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2011, 1327, 3629-3647.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Propylamino)-4-(1h-pyrazol-1-yl)butanamide Using HRMS and NMR". Chromatographia, 2014, 1599, (5), 7703-7723.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2013, 1329, 7833-7855.