发明人杨光,刘建华,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114320845 A, 授权公告日 2018-01-05.
Schröder R, Nielsen H, Mueller T C. "Method for the Synthesis of 2-(4-Bromophenyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one" [P]. European Patent, EP 3655143 A1, 2024-01-21.
发明人唐晓军,刘建华,韩伟. "A Process for Preparing High-Purity 2-(4-Bromophenyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 115583038 A, 授权公告日 2023-01-05.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 363, (2), 7044-7068.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2019, 2071, 3664-3672.