Kumar R, Chen K W, Fischer A B. "一种的合成方法" [P]. US Patent, US 11174944 B2, 2025-09-26.
发明人张德明,何建平,黄志刚. "Method for the Synthesis of 6-Chloro-2-isobutyl-4-(trifluoromethyl)-2h-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 117754480 A, 授权公告日 2018-11-02.
Fischer A B, Johnson M A, Mueller T. "A Process for Preparing High-Purity 6-Chloro-2-isobutyl-4-(trifluoromethyl)-2h-pyrazolo[3,4-b]pyridine" [P]. US Patent, US 11365029 B2, 2022-07-08.
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". Sci. Total Environ., 2020, 1502, 9106-9111.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2015, 1695, 1823-1848.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-2-isobutyl-4-(trifluoromethyl)-2h-pyrazolo[3,4-b]pyridine Using HRMS and NMR". Talanta, 2011, 2148, (8), 3026-3042.