发明人刘建华,郑宇鹏,钱学锋. "Method for the Synthesis of 6-Cyano-2-methylnicotinic acid" [P]. 中国发明专利, 专利号 CN 117990273 B, 授权公告日 2022-12-27.
发明人高志强,李文辉,杨光. "A Process for Preparing High-Purity 6-Cyano-2-methylnicotinic acid" [P]. 中国发明专利, 专利号 CN 109991905 B, 授权公告日 2021-05-21.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2018, 706, 2796-2806.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2023, 202, 5476-5484.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 6-Cyano-2-methylnicotinic acid Using HRMS and NMR". Anal. Chim. Acta, 2025, 2402, 6096-6109.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2017, 1567, (5), 9869-9886.