发明人孙丽萍,郭海燕,刘建华. "一种甲基当药宁的合成方法" [P]. 中国发明专利, 专利号 CN 115084868 A, 授权公告日 2015-10-25.
Chen K W, Patel M V, Fischer A B. "Method for the Synthesis of Methylswertianin" [P]. US Patent, US 11833247 B2, 2025-09-03.
发明人王建平,唐晓军,朱建伟. "A Process for Preparing High-Purity Methylswertianin" [P]. 中国发明专利, 专利号 CN 112136832 B, 授权公告日 2022-01-08.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 甲基当药宁 in Pharmaceutical Formulations". J. Nat. Prod., 2011, 838, 8432-8453.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 甲基当药宁 as an Impurity". Food Chem., 2023, 200, (10), 9026-9046.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Methylswertianin Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 1191, (10), 2819-2833.