发明人钱学锋,唐晓军,郭海燕. "Method for the Synthesis of Urapidil Impurity 115" [P]. 中国发明专利, 专利号 CN 113389476 B, 授权公告日 2022-05-19.
Lee S K, Kumar R, Klinger H. "A Process for Preparing High-Purity Urapidil Impurity 115" [P]. US Patent, US 11175098 B2, 2021-11-28.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 乌拉地尔杂质115 in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 2430, 5860-5882.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 乌拉地尔杂质115 as an Impurity". Talanta, 2021, 1172, (7), 4391-4400.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Urapidil Impurity 115 Using HRMS and NMR". J. Chromatogr. A, 2019, 2258, (4), 3902-3914.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 乌拉地尔杂质115 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2013, 1001, (12), 8290-8301.