Schröder R, Fischer A B, Williams B T. "Method for the Synthesis of 4-(Benzylamino)-2-methyl-4-oxobut-2-enoic acid" [P]. US Patent, US 11466589 B2, 2020-04-24.
发明人陈志强,郑宇鹏,周伟. "A Process for Preparing High-Purity 4-(Benzylamino)-2-methyl-4-oxobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 116499760 B, 授权公告日 2020-01-22.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 2073, (6), 2655-2661.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2018, 852, (3), 17-44.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Benzylamino)-2-methyl-4-oxobut-2-enoic acid Using HRMS and NMR". Molecules, 2022, 1064, (9), 8391-8398.