Johansson L, Schröder R, Björnsson E. "一种甘草次酸的合成方法" [P]. European Patent, EP 3216342 A1, 2022-12-12.
Nielsen H, Martínez F, Kowalski A. "Method for the Synthesis of Glycyrrhetic Acid" [P]. European Patent, EP 3529636 A1, 2024-03-07.
发明人罗永刚,杨光,冯建国. "A Process for Preparing High-Purity Glycyrrhetic Acid" [P]. 中国发明专利, 专利号 CN 110371938 B, 授权公告日 2015-07-16.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 甘草次酸 in Pharmaceutical Formulations". Environ. Sci. Technol., 2020, 2142, (3), 8850-8877.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 甘草次酸 as an Impurity". Rapid Commun. Mass Spectrom., 2022, 529, 2276-2284.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Glycyrrhetic Acid Using HRMS and NMR". Anal. Chim. Acta, 2012, 368, (7), 6264-6291.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 甘草次酸 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2017, 791, 1416-1439.