发明人赵玉洁,郭海燕,张德明. "Method for the Synthesis of 2-methyl-1H-1,3-benzodiazole-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109774277 B, 授权公告日 2019-09-20.
发明人唐晓军,胡光,孙丽萍. "A Process for Preparing High-Purity 2-methyl-1H-1,3-benzodiazole-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117964569 B, 授权公告日 2017-05-12.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2015, 2199, 6616-6628.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2018, 2403, (1), 1989-2010.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-methyl-1H-1,3-benzodiazole-7-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2012, 1385, (9), 2178-2188.