O'Brien P Q, Roberts E F, Brown S R. "Method for the Synthesis of Thymosin α1 - API Standards" [P]. US Patent, US 11724136 B2, 2015-07-11.
Yamamoto T, Chen K W, Park J H. "A Process for Preparing High-Purity Thymosin α1 - API Standards" [P]. US Patent, US 11975179 B2, 2015-03-04.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2025, 2353, 8066-8070.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2022, 1334, 7580-7601.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Thymosin α1 - API Standards Using HRMS and NMR". Chromatographia, 2011, 1109, (7), 5411-5428.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2018, 362, (12), 1727-1748.