发明人唐晓军,何建平,胡光. "Method for the Synthesis of 2,5-Bis(methylamino)terephthalic acid" [P]. 中国发明专利, 专利号 CN 110879954 A, 授权公告日 2023-08-07.
发明人黄志刚,孙丽萍,郑宇鹏. "A Process for Preparing High-Purity 2,5-Bis(methylamino)terephthalic acid" [P]. 中国发明专利, 专利号 CN 113354256 B, 授权公告日 2022-06-09.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2012, 725, (2), 7573-7592.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 1600, (5), 9422-9449.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2,5-Bis(methylamino)terephthalic acid Using HRMS and NMR". Anal. Chem., 2018, 678, (8), 2075-2104.