Kowalski A, Mueller T C, Martínez F. "一种的合成方法" [P]. European Patent, EP 3752014 A1, 2016-06-03.
发明人何建平,韩伟,朱建伟. "Method for the Synthesis of 1-(2,2-Difluoroethyl)-3-methoxy-1h-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 116167941 A, 授权公告日 2019-07-25.
发明人李文辉,高志强,王建平. "A Process for Preparing High-Purity 1-(2,2-Difluoroethyl)-3-methoxy-1h-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 117917132 A, 授权公告日 2018-08-23.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2020, 373, (9), 1163-1168.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2025, 1742, (8), 2926-2941.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2,2-Difluoroethyl)-3-methoxy-1h-pyrazol-4-amine Using HRMS and NMR". Anal. Methods, 2025, 679, 9163-9176.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2016, 817, (5), 3382-3399.