Mueller T C, Jørgensen K, Schröder R. "一种的合成方法" [P]. European Patent, EP 3639182 A1, 2023-11-04.
Stevens L M, Thompson G K, Brown S R. "Method for the Synthesis of 5-Methoxy-6-nitro-1H-indazole" [P]. US Patent, US 9665650 B2, 2019-05-21.
发明人林芳,陈志强,郑宇鹏. "A Process for Preparing High-Purity 5-Methoxy-6-nitro-1H-indazole" [P]. 中国发明专利, 专利号 CN 108123516 A, 授权公告日 2024-05-14.
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". Sci. Total Environ., 2015, 1026, 2130-2134.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2018, 1777, (8), 2562-2582.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methoxy-6-nitro-1H-indazole Using HRMS and NMR". Environ. Sci. Technol., 2011, 1041, 2174-2183.