Kowalski A, Björnsson E, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3060938 A1, 2025-10-10.
发明人黄志刚,沈红梅,胡光. "Method for the Synthesis of Ethyl 1-(difluoromethyl)-3-iodo-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 109842175 A, 授权公告日 2016-03-18.
发明人冯建国,马晓峰,徐明华. "A Process for Preparing High-Purity Ethyl 1-(difluoromethyl)-3-iodo-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 113751038 B, 授权公告日 2025-01-24.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2022, 1636, 6276-6298.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2017, 1858, 7592-7610.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-(difluoromethyl)-3-iodo-1H-pyrazole-4-carboxylate Using HRMS and NMR". Anal. Methods, 2023, 978, 2328-2340.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2014, 298, 6382-6389.