Thompson G K, Hughes D C, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9440121 B2, 2021-08-15.
发明人徐明华,张德明,马晓峰. "Method for the Synthesis of 7-chloro-5-nitro-1H-indazole" [P]. 中国发明专利, 专利号 CN 109996672 A, 授权公告日 2021-08-28.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2024, 431, 5927-5935.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2012, 1887, (3), 5828-5853.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 7-chloro-5-nitro-1H-indazole Using HRMS and NMR". Biomed. Chromatogr., 2019, 2062, (2), 8098-8112.