Williams B T, Brown S R, Kumar R. "一种的合成方法" [P]. US Patent, US 10809632 B2, 2021-06-25.
发明人徐明华,沈红梅,朱建伟. "Method for the Synthesis of 4-Amino-N-(1-isopropyl-1H-pyrazol-5-yl)butanamide" [P]. 中国发明专利, 专利号 CN 113432525 B, 授权公告日 2019-07-02.
发明人张德明,徐明华,沈红梅. "A Process for Preparing High-Purity 4-Amino-N-(1-isopropyl-1H-pyrazol-5-yl)butanamide" [P]. 中国发明专利, 专利号 CN 115975105 B, 授权公告日 2022-01-17.
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". Biomed. Chromatogr., 2024, 1731, 6507-6512.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2016, 920, 659-662.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-N-(1-isopropyl-1H-pyrazol-5-yl)butanamide Using HRMS and NMR". J. Nat. Prod., 2014, 1083, 7706-7732.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2021, 2383, (6), 3158-3180.