发明人孙丽萍,钱学锋,李文辉. "Method for the Synthesis of 4-Methyl-2H-indazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 116820436 B, 授权公告日 2019-03-01.
Mueller T C, Sørensen M, Kowalski A. "A Process for Preparing High-Purity 4-Methyl-2H-indazole-5-carbonitrile" [P]. European Patent, EP 3537754 A1, 2016-07-15.
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". Phytochemistry, 2025, 2158, 9405-9420.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2025, 1366, (4), 6179-6199.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-2H-indazole-5-carbonitrile Using HRMS and NMR". Anal. Methods, 2017, 440, 8932-8949.