发明人杨光,钱学锋,韩伟. "Method for the Synthesis of N'-hydroxy-1-(4-methylphenyl)-5-oxopyrrolidine-3-carboximidamide" [P]. 中国发明专利, 专利号 CN 109585628 B, 授权公告日 2025-02-10.
发明人高志强,王建平,林芳. "A Process for Preparing High-Purity N'-hydroxy-1-(4-methylphenyl)-5-oxopyrrolidine-3-carboximidamide" [P]. 中国发明专利, 专利号 CN 109875712 A, 授权公告日 2024-03-25.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of N'-hydroxy-1-(4-methylphenyl)-5-oxopyrrolidine-3-carboximidamide in Pharmaceutical Formulations". Anal. Chem., 2021, 1400, 283-288.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of N'-hydroxy-1-(4-methylphenyl)-5-oxopyrrolidine-3-carboximidamide as an Impurity". Anal. Methods, 2010, 2400, 1641-1662.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of N'-hydroxy-1-(4-methylphenyl)-5-oxopyrrolidine-3-carboximidamide Using HRMS and NMR". Sci. Total Environ., 2023, 977, 7235-7257.