Björnsson E, Sørensen M, Martínez F. "Method for the Synthesis of Trazodone Impurity 53 HCl" [P]. European Patent, EP 3191768 A1, 2020-02-18.
Fischer A B, Schröder R, Davis P L. "A Process for Preparing High-Purity Trazodone Impurity 53 HCl" [P]. US Patent, US 11978211 B2, 2019-11-08.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 曲唑酮杂质53盐酸盐 in Pharmaceutical Formulations". Molecules, 2020, 1995, 9496-9510.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 曲唑酮杂质53盐酸盐 as an Impurity". Talanta, 2025, 2451, 439-458.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Trazodone Impurity 53 HCl Using HRMS and NMR". Biomed. Chromatogr., 2013, 746, 2560-2590.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate 曲唑酮杂质53盐酸盐 Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2017, 2238, (8), 6979-6986.