发明人周伟,杨光,陈志强. "Method for the Synthesis of (3-ethyl-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110407233 A, 授权公告日 2015-09-04.
发明人郭海燕,冯建国,赵玉洁. "A Process for Preparing High-Purity (3-ethyl-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116027960 A, 授权公告日 2022-03-28.
参考文献 Literature
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Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of (3-ethyl-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)acetic acid as an Impurity". J. Chromatogr. A, 2023, 563, 6836-6841.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of (3-ethyl-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)acetic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 2215, 4288-4296.