Lefèvre J P, Nowak P, Kowalski A. "Method for the Synthesis of 3-Bromo-7-chloro-6-isopropyl-5-methylpyrazolo[1,5-a]pyrimidine" [P]. European Patent, EP 3235159 A1, 2023-12-04.
Schröder R, Davis P L, O'Brien P Q. "A Process for Preparing High-Purity 3-Bromo-7-chloro-6-isopropyl-5-methylpyrazolo[1,5-a]pyrimidine" [P]. US Patent, US 10257559 B2, 2024-01-23.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2013, 1784, (3), 7042-7071.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2012, 1977, (3), 720-723.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 3-Bromo-7-chloro-6-isopropyl-5-methylpyrazolo[1,5-a]pyrimidine Using HRMS and NMR". Talanta, 2023, 106, (1), 1213-1243.