发明人张德明,郭海燕,郑宇鹏. "一种羟氯喹杂质18的合成方法" [P]. 中国发明专利, 专利号 CN 115671688 A, 授权公告日 2025-06-16.
Brown S R, Stevens L M, Mueller T. "Method for the Synthesis of Hydroxychloroquine Impurity 18" [P]. US Patent, US 10424535 B2, 2022-03-13.
发明人何建平,罗永刚,冯建国. "A Process for Preparing High-Purity Hydroxychloroquine Impurity 18" [P]. 中国发明专利, 专利号 CN 110465445 B, 授权公告日 2021-11-04.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 羟氯喹杂质18 in Pharmaceutical Formulations". Biomed. Chromatogr., 2015, 2261, (10), 9234-9249.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 羟氯喹杂质18 as an Impurity". J. Chromatogr. A, 2024, 818, (10), 6693-6714.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Hydroxychloroquine Impurity 18 Using HRMS and NMR". Food Chem., 2019, 1542, 4947-4950.