发明人罗永刚,胡光,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108736588 A, 授权公告日 2022-08-20.
发明人郭海燕,陈志强,杨光. "Method for the Synthesis of 2-(4-Methyl-1H-pyrazol-1-yl)butanohydrazide" [P]. 中国发明专利, 专利号 CN 111772656 B, 授权公告日 2019-07-17.
发明人徐明华,黄志刚,刘建华. "A Process for Preparing High-Purity 2-(4-Methyl-1H-pyrazol-1-yl)butanohydrazide" [P]. 中国发明专利, 专利号 CN 109284077 B, 授权公告日 2025-07-25.
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". Chromatographia, 2017, 2379, (1), 9651-9662.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2014, 531, (9), 4201-4223.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Methyl-1H-pyrazol-1-yl)butanohydrazide Using HRMS and NMR". Molecules, 2012, 793, 7697-7704.