发明人沈红梅,王建平,胡光. "一种2-甲基-2H-吲唑-6-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 112265318 A, 授权公告日 2025-12-22.
Johansson L, Martínez F, Schröder R. "Method for the Synthesis of 2-methyl-2H-indazole-6-carboxylic acid" [P]. European Patent, EP 3009770 A1, 2017-11-10.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 2-甲基-2H-吲唑-6-羧酸 in Pharmaceutical Formulations". Phytochemistry, 2013, 908, 981-1009.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-甲基-2H-吲唑-6-羧酸 as an Impurity". Anal. Chem., 2015, 1602, (3), 8649-8670.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-methyl-2H-indazole-6-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2024, 1624, (2), 8930-8942.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 2-甲基-2H-吲唑-6-羧酸 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2016, 1787, (11), 2245-2266.