发明人林芳,沈红梅,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116079392 A, 授权公告日 2018-09-07.
发明人陈志强,钱学锋,马晓峰. "Method for the Synthesis of 3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile" [P]. 中国发明专利, 专利号 CN 117844892 A, 授权公告日 2024-09-09.
发明人高志强,朱建伟,黄志刚. "A Process for Preparing High-Purity 3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile" [P]. 中国发明专利, 专利号 CN 114255426 B, 授权公告日 2025-02-23.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2025, 316, 6621-6645.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2010, 818, (2), 491-507.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile Using HRMS and NMR". J. Sep. Sci., 2016, 429, (3), 2317-2332.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 353, (1), 6985-7007.