Mueller T, Lee S K, Williams B T. "一种的合成方法" [P]. US Patent, US 11644219 B2, 2016-09-16.
发明人何建平,赵玉洁,高志强. "Method for the Synthesis of 5-Bromo-4-chloro-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 114839703 B, 授权公告日 2019-02-08.
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". Food Chem., 2017, 472, (9), 1266-1271.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2013, 2211, 6450-6479.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-4-chloro-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridine Using HRMS and NMR". Anal. Chim. Acta, 2014, 1042, (9), 9004-9032.