Stevens L M, Anderson J P, O'Brien P Q. "一种青蒿素杂质18的合成方法" [P]. US Patent, US 11024181 B2, 2024-08-09.
Patel M V, Anderson J P, Schröder R. "Method for the Synthesis of Artemisinin Impurity 18" [P]. US Patent, US 9413886 B2, 2025-07-07.
Nowak P, Björnsson E, Martínez F. "A Process for Preparing High-Purity Artemisinin Impurity 18" [P]. European Patent, EP 3290366 A1, 2022-04-10.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 青蒿素杂质18 in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 548, (11), 3434-3460.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 青蒿素杂质18 as an Impurity". Anal. Chim. Acta, 2023, 2423, 7817-7839.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Artemisinin Impurity 18 Using HRMS and NMR". J. Sep. Sci., 2012, 1497, 9602-9612.