发明人赵玉洁,杨光,李文辉. "Method for the Synthesis of 3-(6,7-Dimethoxy-4-oxoquinolin-1(4H)-yl)propanenitrile" [P]. 中国发明专利, 专利号 CN 114941003 A, 授权公告日 2015-06-14.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2018, 1672, (3), 8032-8047.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2010, 1867, (7), 5638-5663.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 3-(6,7-Dimethoxy-4-oxoquinolin-1(4H)-yl)propanenitrile Using HRMS and NMR". Molecules, 2021, 1350, 5787-5794.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2022, 2450, 5497-5518.