发明人唐晓军,马晓峰,张德明. "Method for the Synthesis of 6-bromo-5-methoxy-2-methyl-2H-indazole" [P]. 中国发明专利, 专利号 CN 109470957 B, 授权公告日 2022-11-06.
Björnsson E, Sørensen M, Nielsen H. "A Process for Preparing High-Purity 6-bromo-5-methoxy-2-methyl-2H-indazole" [P]. European Patent, EP 3442622 A1, 2022-10-15.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2012, 577, (5), 1343-1368.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2014, 708, 4864-4869.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 6-bromo-5-methoxy-2-methyl-2H-indazole Using HRMS and NMR". J. Pharm. Biomed. Anal., 2021, 185, 572-575.