Davis P L, Schröder R, Klinger H. "一种的合成方法" [P]. US Patent, US 9826402 B2, 2021-07-03.
Chen K W, Park J H, Stevens L M. "Method for the Synthesis of Methyl 3-(3-(difluoromethyl)-1-methyl-1H-pyrazol-4-yl)-3-oxopropanoate" [P]. US Patent, US 10789672 B2, 2016-01-18.
发明人黄志刚,张德明,罗永刚. "A Process for Preparing High-Purity Methyl 3-(3-(difluoromethyl)-1-methyl-1H-pyrazol-4-yl)-3-oxopropanoate" [P]. 中国发明专利, 专利号 CN 109050264 A, 授权公告日 2020-03-14.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2024, 1216, 6804-6816.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2022, 1106, 8315-8328.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-(3-(difluoromethyl)-1-methyl-1H-pyrazol-4-yl)-3-oxopropanoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 966, (5), 3277-3299.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2011, 2376, 6108-6124.