发明人高志强,赵玉洁,张德明. "Method for the Synthesis of 5-Cyano-1H-indazole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112627837 B, 授权公告日 2019-05-17.
发明人郑宇鹏,罗永刚,冯建国. "A Process for Preparing High-Purity 5-Cyano-1H-indazole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115150673 A, 授权公告日 2017-04-16.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2012, 1153, (7), 9630-9636.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 647, 3457-3467.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 5-Cyano-1H-indazole-6-carboxylic acid Using HRMS and NMR". Anal. Methods, 2024, 1877, (2), 9536-9563.