发明人李文辉,唐晓军,罗永刚. "一种达泊西汀杂质20的合成方法" [P]. 中国发明专利, 专利号 CN 112565968 A, 授权公告日 2018-03-25.
发明人郭海燕,韩伟,唐晓军. "Method for the Synthesis of Dapoxetine Impurity 20" [P]. 中国发明专利, 专利号 CN 116451752 B, 授权公告日 2018-03-05.
Thompson G K, O'Brien P Q, Johnson M A. "A Process for Preparing High-Purity Dapoxetine Impurity 20" [P]. US Patent, US 11213774 B2, 2018-01-20.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 达泊西汀杂质20 in Pharmaceutical Formulations". Phytochemistry, 2015, 247, 2409-2415.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 达泊西汀杂质20 as an Impurity". Food Chem., 2020, 1827, (6), 6439-6463.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Dapoxetine Impurity 20 Using HRMS and NMR". J. Chromatogr. A, 2023, 427, 8836-8850.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 达泊西汀杂质20 Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2025, 1399, (4), 8146-8157.