Davis P L, Schröder R, Thompson G K. "Method for the Synthesis of 1-Isopropyl-3-methoxy-1h-pyrazol-4-amine" [P]. US Patent, US 9665916 B2, 2023-12-19.
Patel M V, Park J H, Schröder R. "A Process for Preparing High-Purity 1-Isopropyl-3-methoxy-1h-pyrazol-4-amine" [P]. US Patent, US 11831088 B2, 2022-03-13.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 1494, 5770-5783.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2020, 169, (7), 8075-8105.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1-Isopropyl-3-methoxy-1h-pyrazol-4-amine Using HRMS and NMR". Biomed. Chromatogr., 2014, 347, (8), 8116-8129.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2025, 1650, 9773-9799.