Jørgensen K, Martínez F, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3954769 A1, 2025-11-22.
发明人李文辉,周伟,杨光. "Method for the Synthesis of 1-Isopropyl-N-((6-methyl-2-oxo-4-propyl-1,2-dihydropyridin-3-yl)methyl)-6-(6-(piperazin-1-yl)pyridin-3-yl)-1H-indazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 109696585 A, 授权公告日 2015-04-09.
发明人孙丽萍,刘建华,沈红梅. "A Process for Preparing High-Purity 1-Isopropyl-N-((6-methyl-2-oxo-4-propyl-1,2-dihydropyridin-3-yl)methyl)-6-(6-(piperazin-1-yl)pyridin-3-yl)-1H-indazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 111743838 A, 授权公告日 2025-12-14.
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". Anal. Chem., 2014, 859, 3632-3657.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2015, 1303, 4798-4811.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-Isopropyl-N-((6-methyl-2-oxo-4-propyl-1,2-dihydropyridin-3-yl)methyl)-6-(6-(piperazin-1-yl)pyridin-3-yl)-1H-indazole-4-carboxamide Using HRMS and NMR". J. Chromatogr. A, 2014, 1096, (11), 3730-3736.