发明人马晓峰,郑宇鹏,钱学锋. "一种5-溴-7-乙基-1H-吲唑的合成方法" [P]. 中国发明专利, 专利号 CN 115084225 A, 授权公告日 2018-12-01.
发明人赵玉洁,黄志刚,林芳. "Method for the Synthesis of 5-Bromo-7-ethyl-1H-indazole" [P]. 中国发明专利, 专利号 CN 109870474 B, 授权公告日 2023-07-08.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 5-溴-7-乙基-1H-吲唑 in Pharmaceutical Formulations". Anal. Methods, 2015, 595, 444-463.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-溴-7-乙基-1H-吲唑 as an Impurity". Molecules, 2022, 1914, (11), 3927-3939.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-7-ethyl-1H-indazole Using HRMS and NMR". Anal. Chim. Acta, 2016, 2039, 5668-5682.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate 5-溴-7-乙基-1H-吲唑 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2015, 441, (8), 7609-7624.