发明人韩伟,徐明华,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109638128 A, 授权公告日 2025-05-01.
Rossi M, Jørgensen K, Nowak P. "Method for the Synthesis of 5-Isobutyl-4-methyl-1H-pyrazol-3(2H)-one" [P]. European Patent, EP 3018081 A1, 2023-09-23.
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". J. Chromatogr. A, 2021, 496, (3), 1482-1489.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2017, 316, (10), 3982-4000.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-Isobutyl-4-methyl-1H-pyrazol-3(2H)-one Using HRMS and NMR". Chemosphere, 2011, 228, 8569-8587.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2014, 854, (2), 138-164.