Schröder R, Lefèvre J P, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3928387 A1, 2018-07-11.
Lee S K, Park J H, Johnson M A. "Method for the Synthesis of 1-[(2,4-dichlorophenyl)methyl]-3-methyl-4,5-dihydro-1H-pyrazol-5-one" [P]. US Patent, US 10869603 B2, 2020-10-06.
发明人郭海燕,马晓峰,朱建伟. "A Process for Preparing High-Purity 1-[(2,4-dichlorophenyl)methyl]-3-methyl-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 117271104 B, 授权公告日 2017-09-11.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2010, 1077, (9), 7709-7728.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2021, 1385, (6), 476-479.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 1-[(2,4-dichlorophenyl)methyl]-3-methyl-4,5-dihydro-1H-pyrazol-5-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 814, 5021-5042.