发明人刘建华,赵玉洁,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117952601 A, 授权公告日 2020-11-17.
发明人周伟,唐晓军,何建平. "Method for the Synthesis of 1-(4-Butylphenyl)-3-methyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 114870769 A, 授权公告日 2020-02-16.
发明人周伟,王建平,韩伟. "A Process for Preparing High-Purity 1-(4-Butylphenyl)-3-methyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 110522167 B, 授权公告日 2021-01-10.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2016, 1599, (1), 3779-3782.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2014, 1113, (1), 4321-4337.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Butylphenyl)-3-methyl-1H-pyrazol-5(4H)-one Using HRMS and NMR". Environ. Sci. Technol., 2019, 2224, (5), 3170-3178.