发明人黄志刚,马晓峰,林芳. "Method for the Synthesis of N,N-diethyl-p-phenylenediamine oxalate" [P]. 中国发明专利, 专利号 CN 109732010 B, 授权公告日 2024-09-21.
发明人周伟,杨光,沈红梅. "A Process for Preparing High-Purity N,N-diethyl-p-phenylenediamine oxalate" [P]. 中国发明专利, 专利号 CN 116084790 B, 授权公告日 2022-09-12.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of N,N-二乙基-对苯二胺 草酸盐 in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 2465, (3), 5843-5860.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of N,N-二乙基-对苯二胺 草酸盐 as an Impurity". Anal. Chem., 2013, 1382, (4), 1500-1530.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of N,N-diethyl-p-phenylenediamine oxalate Using HRMS and NMR". Chromatographia, 2024, 1685, 8049-8062.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate N,N-二乙基-对苯二胺 草酸盐 Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2023, 997, (6), 9807-9819.