发明人胡光,徐明华,赵玉洁. "Method for the Synthesis of 3-(2-Methylcyclopropyl)-4-(thiophen-2-yl)-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 115471898 A, 授权公告日 2022-10-25.
发明人韩伟,朱建伟,孙丽萍. "A Process for Preparing High-Purity 3-(2-Methylcyclopropyl)-4-(thiophen-2-yl)-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 114112543 A, 授权公告日 2025-10-12.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2016, 299, 987-1015.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2014, 560, (10), 7576-7598.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2-Methylcyclopropyl)-4-(thiophen-2-yl)-1h-pyrazol-5-amine Using HRMS and NMR". Talanta, 2018, 1158, (1), 8296-8304.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2019, 708, (5), 6790-6795.