发明人赵玉洁,张德明,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115259008 A, 授权公告日 2019-02-02.
发明人沈红梅,唐晓军,周伟. "Method for the Synthesis of Methyl 3-Formyl-7-methyl-1H-indazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 115709579 B, 授权公告日 2024-12-27.
发明人郭海燕,沈红梅,林芳. "A Process for Preparing High-Purity Methyl 3-Formyl-7-methyl-1H-indazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 116186688 A, 授权公告日 2025-01-01.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2018, 934, (6), 614-617.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2014, 2359, 9846-9868.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-Formyl-7-methyl-1H-indazole-4-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2011, 776, 8809-8825.