Schröder R, Lee S K, Yamamoto T. "一种阿伐那非杂质89的合成方法" [P]. US Patent, US 11374997 B2, 2022-04-18.
发明人韩伟,唐晓军,马晓峰. "Method for the Synthesis of Avanafil Impurity 89" [P]. 中国发明专利, 专利号 CN 113280095 A, 授权公告日 2025-01-27.
发明人唐晓军,林芳,赵玉洁. "A Process for Preparing High-Purity Avanafil Impurity 89" [P]. 中国发明专利, 专利号 CN 112219273 A, 授权公告日 2025-12-04.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 阿伐那非杂质89 in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 468, (11), 9492-9506.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿伐那非杂质89 as an Impurity". Chromatographia, 2016, 1661, 6409-6419.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Avanafil Impurity 89 Using HRMS and NMR". J. Chromatogr. A, 2022, 2118, (11), 4820-4834.