Klinger H, Mueller T, Johnson M A. "一种的合成方法" [P]. US Patent, US 9478006 B2, 2016-03-06.
Johnson M A, Stevens L M, Park J H. "Method for the Synthesis of 5-Cyclopropyl-1-(propan-2-yl)-1h-pyrazol-4-amine hydrochloride" [P]. US Patent, US 9110844 B2, 2015-03-06.
Johnson M A, Brown S R, Kumar R. "A Process for Preparing High-Purity 5-Cyclopropyl-1-(propan-2-yl)-1h-pyrazol-4-amine hydrochloride" [P]. US Patent, US 10312121 B2, 2025-06-24.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2014, 1264, 7400-7426.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 1530, (10), 1393-1411.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5-Cyclopropyl-1-(propan-2-yl)-1h-pyrazol-4-amine hydrochloride Using HRMS and NMR". J. Nat. Prod., 2014, 360, (9), 2068-2081.