发明人黄志刚,钱学锋,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114843839 A, 授权公告日 2025-01-17.
发明人郭海燕,沈红梅,王建平. "Method for the Synthesis of Ethyl 1-methyl-1H-indazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111770123 A, 授权公告日 2024-05-24.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2015, 1500, (12), 9534-9544.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 1764, (11), 2136-2141.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-methyl-1H-indazole-4-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2016, 1360, 984-1004.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2017, 1692, (11), 5067-5079.