Hughes D C, Brown S R, O'Brien P Q. "Method for the Synthesis of 4-Chloro-1-methyl-1H-indazol-3-amine" [P]. US Patent, US 11481888 B2, 2021-04-07.
Nowak P, Björnsson E, Lefèvre J P. "A Process for Preparing High-Purity 4-Chloro-1-methyl-1H-indazol-3-amine" [P]. European Patent, EP 3279322 A1, 2025-12-26.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2020, 2000, 8132-8139.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 1634, (9), 6903-6923.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-1-methyl-1H-indazol-3-amine Using HRMS and NMR". Sci. Total Environ., 2021, 1918, (4), 1399-1409.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2010, 579, (4), 5193-5216.