发明人徐明华,沈红梅,郭海燕. "Method for the Synthesis of 3-Oxo-2,3-dihydro-1h-indazole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109692481 A, 授权公告日 2023-02-04.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 732, (8), 2000-2030.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 1541, (10), 1059-1079.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-Oxo-2,3-dihydro-1h-indazole-6-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 210, 9764-9778.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2011, 1613, 8311-8327.