发明人马晓峰,刘建华,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116488254 A, 授权公告日 2025-05-18.
发明人黄志刚,罗永刚,杨光. "Method for the Synthesis of 1,3-Dimethyl-1h-pyrazole-4-sulfonohydrazide" [P]. 中国发明专利, 专利号 CN 115559911 B, 授权公告日 2021-12-05.
发明人孙丽萍,杨光,陈志强. "A Process for Preparing High-Purity 1,3-Dimethyl-1h-pyrazole-4-sulfonohydrazide" [P]. 中国发明专利, 专利号 CN 113459585 A, 授权公告日 2020-06-02.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2018, 503, (2), 8450-8475.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2018, 748, 2189-2219.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 1,3-Dimethyl-1h-pyrazole-4-sulfonohydrazide Using HRMS and NMR". Biomed. Chromatogr., 2017, 1777, 8322-8342.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2025, 1055, (8), 2907-2914.