发明人孙丽萍,黄志刚,钱学锋. "一种噻吗洛尔EP杂质D的合成方法" [P]. 中国发明专利, 专利号 CN 114804112 A, 授权公告日 2019-03-15.
Rossi M, Björnsson E, Jørgensen K. "Method for the Synthesis of Timolol EP Impurity D" [P]. European Patent, EP 3265692 A1, 2024-04-07.
Kumar R, Patel M V, Hughes D C. "A Process for Preparing High-Purity Timolol EP Impurity D" [P]. US Patent, US 11389876 B2, 2022-07-11.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 噻吗洛尔EP杂质D in Pharmaceutical Formulations". Phytochemistry, 2022, 1305, (9), 2475-2490.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 噻吗洛尔EP杂质D as an Impurity". Biomed. Chromatogr., 2021, 1933, 8489-8519.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Timolol EP Impurity D Using HRMS and NMR". Chemosphere, 2020, 2048, (2), 1590-1619.