Patel M V, Johnson M A, Anderson J P. "一种的合成方法" [P]. US Patent, US 11803176 B2, 2016-03-27.
发明人刘建华,钱学锋,胡光. "Method for the Synthesis of 4-Methyl-1H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 114549938 A, 授权公告日 2022-02-28.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 1190, (9), 4579-4605.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 2449, 4005-4029.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-1H-pyrazolo[3,4-b]pyridine Using HRMS and NMR". Anal. Chim. Acta, 2018, 700, (11), 9807-9821.