发明人周伟,马晓峰,林芳. "Method for the Synthesis of 6-Methyl-1H-indazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 110858645 B, 授权公告日 2021-06-01.
发明人钱学锋,冯建国,孙丽萍. "A Process for Preparing High-Purity 6-Methyl-1H-indazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 112149417 B, 授权公告日 2015-11-20.
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. Chromatogr. A, 2023, 987, (10), 9522-9550.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 1503, (7), 2600-2611.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methyl-1H-indazole-4-carbonitrile Using HRMS and NMR". Anal. Chim. Acta, 2019, 2251, 5036-5057.