Thompson G K, Davis P L, Johnson M A. "一种的合成方法" [P]. US Patent, US 9045881 B2, 2019-02-28.
发明人唐晓军,张德明,林芳. "Method for the Synthesis of N1-Isobutyl-N2-(3-(2-oxopyrrolidin-1-yl)propyl)oxalamide" [P]. 中国发明专利, 专利号 CN 109252132 A, 授权公告日 2020-09-10.
发明人高志强,罗永刚,赵玉洁. "A Process for Preparing High-Purity N1-Isobutyl-N2-(3-(2-oxopyrrolidin-1-yl)propyl)oxalamide" [P]. 中国发明专利, 专利号 CN 113586348 B, 授权公告日 2025-02-14.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2016, 1077, 4595-4601.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2024, 1348, (11), 9617-9626.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of N1-Isobutyl-N2-(3-(2-oxopyrrolidin-1-yl)propyl)oxalamide Using HRMS and NMR". J. Chromatogr. A, 2022, 1373, (1), 1079-1104.