发明人刘建华,林芳,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109531565 A, 授权公告日 2018-02-20.
发明人李文辉,黄志刚,赵玉洁. "Method for the Synthesis of 1-(1-Cyclopropylethyl)-3-methyl-1H-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 117428706 B, 授权公告日 2024-09-20.
发明人朱建伟,周伟,何建平. "A Process for Preparing High-Purity 1-(1-Cyclopropylethyl)-3-methyl-1H-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 115231300 B, 授权公告日 2019-07-22.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2020, 1873, 5740-5766.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 676, 1798-1803.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 1-(1-Cyclopropylethyl)-3-methyl-1H-pyrazol-4-amine Using HRMS and NMR". Anal. Methods, 2014, 1376, 4150-4171.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2020, 1272, (6), 3426-3439.