发明人郑宇鹏,韩伟,赵玉洁. "Method for the Synthesis of 3-Iodo-2-methyl-5-nitro-2h-indazole" [P]. 中国发明专利, 专利号 CN 112277170 B, 授权公告日 2019-06-14.
发明人唐晓军,李文辉,郭海燕. "A Process for Preparing High-Purity 3-Iodo-2-methyl-5-nitro-2h-indazole" [P]. 中国发明专利, 专利号 CN 114972158 B, 授权公告日 2023-04-23.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2018, 626, (6), 2317-2325.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2021, 2371, (11), 2775-2793.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Iodo-2-methyl-5-nitro-2h-indazole Using HRMS and NMR". Anal. Chem., 2012, 456, (8), 9472-9478.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2013, 1052, (1), 6006-6033.