发明人罗永刚,李文辉,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117314585 A, 授权公告日 2023-09-19.
Björnsson E, Sørensen M, Schröder R. "Method for the Synthesis of 6-Chloro-1-methyl-5-nitro-1H-indazole" [P]. European Patent, EP 3543458 A1, 2025-11-06.
发明人陈志强,冯建国,罗永刚. "A Process for Preparing High-Purity 6-Chloro-1-methyl-5-nitro-1H-indazole" [P]. 中国发明专利, 专利号 CN 109370975 A, 授权公告日 2016-01-02.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2012, 665, (6), 3402-3426.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2011, 2071, 8238-8264.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-1-methyl-5-nitro-1H-indazole Using HRMS and NMR". Anal. Chim. Acta, 2015, 206, (11), 9780-9794.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2018, 1794, (4), 9857-9871.