Jørgensen K, Nielsen H, Nowak P. "一种普瑞巴林杂质21的合成方法" [P]. European Patent, EP 3789038 A1, 2021-11-18.
发明人高志强,王建平,张德明. "Method for the Synthesis of Pregabalin Impurity 21" [P]. 中国发明专利, 专利号 CN 115489770 B, 授权公告日 2025-06-20.
O'Brien P Q, Yamamoto T, Kumar R. "A Process for Preparing High-Purity Pregabalin Impurity 21" [P]. US Patent, US 11898073 B2, 2017-09-06.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 普瑞巴林杂质21 in Pharmaceutical Formulations". J. Nat. Prod., 2017, 453, (7), 3823-3826.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 普瑞巴林杂质21 as an Impurity". Food Chem., 2020, 366, 5774-5781.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Pregabalin Impurity 21 Using HRMS and NMR". Chromatographia, 2021, 1995, 1536-1546.