发明人朱建伟,冯建国,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114446643 A, 授权公告日 2017-03-26.
发明人胡光,林芳,徐明华. "Method for the Synthesis of 1-(2-Ethylphenyl)-4-(1-methyl-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 109047161 B, 授权公告日 2020-05-05.
发明人李文辉,唐晓军,何建平. "A Process for Preparing High-Purity 1-(2-Ethylphenyl)-4-(1-methyl-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 110644352 B, 授权公告日 2023-12-20.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2021, 1054, (11), 9799-9819.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2022, 820, 1206-1233.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Ethylphenyl)-4-(1-methyl-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 1946, 3881-3906.