发明人何建平,郑宇鹏,孙丽萍. "Method for the Synthesis of Tryptophan EP Impurity I" [P]. 中国发明专利, 专利号 CN 109652145 B, 授权公告日 2016-09-26.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 色氨酸EP杂质I in Pharmaceutical Formulations". Chromatographia, 2011, 235, 3017-3020.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 色氨酸EP杂质I as an Impurity". J. Pharm. Biomed. Anal., 2019, 362, 6110-6123.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Tryptophan EP Impurity I Using HRMS and NMR". Food Chem., 2014, 1824, (8), 5388-5402.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 色氨酸EP杂质I Profile in Drug Substances According to ICH Guidelines". Molecules, 2013, 1730, (6), 6908-6926.