Mueller T C, Sørensen M, Johansson L. "Method for the Synthesis of 2-(2,4-Dichloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)propanoic acid" [P]. European Patent, EP 3527876 A1, 2015-01-11.
发明人李文辉,徐明华,陈志强. "A Process for Preparing High-Purity 2-(2,4-Dichloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 117449988 B, 授权公告日 2024-09-10.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2017, 1003, (1), 6372-6400.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2013, 1251, 7177-7200.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2,4-Dichloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)propanoic acid Using HRMS and NMR". J. Nat. Prod., 2011, 1390, (3), 5159-5182.