发明人周伟,何建平,郭海燕. "Method for the Synthesis of 3-methyl-1H-indazole-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108534571 B, 授权公告日 2020-02-13.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 3-甲基-1H-吲唑-7-羧酸 in Pharmaceutical Formulations". Phytochemistry, 2014, 653, (11), 8303-8325.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-甲基-1H-吲唑-7-羧酸 as an Impurity". Molecules, 2022, 300, 1761-1777.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3-methyl-1H-indazole-7-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2025, 2053, 8237-8240.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 3-甲基-1H-吲唑-7-羧酸 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2020, 576, (1), 6697-6714.