Schröder R, Fischer A B, Brown S R. "一种的合成方法" [P]. US Patent, US 9287409 B2, 2021-02-05.
Yamamoto T, Patel M V, Park J H. "Method for the Synthesis of 2-Isobutyl-5-methyl-1H-pyrazol-3(2H)-one" [P]. US Patent, US 11978753 B2, 2023-07-21.
发明人韩伟,周伟,沈红梅. "A Process for Preparing High-Purity 2-Isobutyl-5-methyl-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 112970843 B, 授权公告日 2016-08-05.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2020, 1812, 6592-6600.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2019, 761, (9), 559-578.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Isobutyl-5-methyl-1H-pyrazol-3(2H)-one Using HRMS and NMR". Environ. Sci. Technol., 2020, 1130, 5206-5213.