发明人胡光,黄志刚,郭海燕. "Method for the Synthesis of 3-Methyl-1H-indazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 112137452 B, 授权公告日 2019-07-21.
发明人郑宇鹏,高志强,韩伟. "A Process for Preparing High-Purity 3-Methyl-1H-indazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 112679313 A, 授权公告日 2023-11-09.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2021, 1989, 9193-9213.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 414, (1), 4698-4707.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-1H-indazole-5-carbonitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 472, 1218-1231.