发明人郑宇鹏,钱学锋,胡光. "Method for the Synthesis of Glutamic acid Impurity 1" [P]. 中国发明专利, 专利号 CN 115540447 B, 授权公告日 2023-10-13.
发明人林芳,朱建伟,韩伟. "A Process for Preparing High-Purity Glutamic acid Impurity 1" [P]. 中国发明专利, 专利号 CN 117370443 A, 授权公告日 2020-01-15.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 谷氨酸杂质1 in Pharmaceutical Formulations". Molecules, 2015, 2459, (3), 5756-5760.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 谷氨酸杂质1 as an Impurity". Chemosphere, 2018, 1507, (6), 2897-2914.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Glutamic acid Impurity 1 Using HRMS and NMR". Anal. Chim. Acta, 2022, 2227, (3), 9636-9643.