Schröder R, Mueller T C, Sørensen M. "Method for the Synthesis of 1-Methyl-N-(tetrahydro-2H-thiopyran-3-yl)-1H-pyrazol-4-amine" [P]. European Patent, EP 3661751 A1, 2024-04-14.
O'Brien P Q, Stevens L M, Schröder R. "A Process for Preparing High-Purity 1-Methyl-N-(tetrahydro-2H-thiopyran-3-yl)-1H-pyrazol-4-amine" [P]. US Patent, US 10800632 B2, 2019-02-21.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 1438, (2), 2158-2173.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 2229, (5), 4505-4531.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-N-(tetrahydro-2H-thiopyran-3-yl)-1H-pyrazol-4-amine Using HRMS and NMR". Talanta, 2025, 2054, (12), 9915-9918.