Nielsen H, Mueller T C, Johansson L. "一种款冬酮的合成方法" [P]. European Patent, EP 3475892 A1, 2017-09-27.
Hughes D C, Mueller T, Yamamoto T. "Method for the Synthesis of Tussilagone" [P]. US Patent, US 10865392 B2, 2015-03-07.
发明人高志强,陈志强,张德明. "A Process for Preparing High-Purity Tussilagone" [P]. 中国发明专利, 专利号 CN 109848374 A, 授权公告日 2020-03-21.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 款冬酮 in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 2374, (5), 81-85.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 款冬酮 as an Impurity". Talanta, 2013, 946, (8), 7686-7707.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Tussilagone Using HRMS and NMR". J. Pharm. Biomed. Anal., 2025, 1328, (12), 8104-8120.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 款冬酮 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2020, 929, 2873-2882.