发明人郑宇鹏,孙丽萍,林芳. "Method for the Synthesis of 1-Ethyl-4-(5-(1-ethylquinolin-4(1H)-ylidene)penta-1,3-dien-1-yl)quinolin-1-ium iodide" [P]. 中国发明专利, 专利号 CN 108218257 B, 授权公告日 2025-03-10.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2025, 1224, 7024-7028.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2024, 1655, (11), 4127-4155.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-4-(5-(1-ethylquinolin-4(1H)-ylidene)penta-1,3-dien-1-yl)quinolin-1-ium iodide Using HRMS and NMR". J. Agric. Food Chem., 2018, 2047, (12), 527-540.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2022, 1636, (10), 4045-4069.