Lefèvre J P, Sørensen M, Jørgensen K. "Method for the Synthesis of 5-[(1E)-N-hydroxyethanimidoyl]-1,3-dihydro-2H-benzimidazol-2-one" [P]. European Patent, EP 3809897 A1, 2017-03-04.
发明人赵玉洁,钱学锋,黄志刚. "A Process for Preparing High-Purity 5-[(1E)-N-hydroxyethanimidoyl]-1,3-dihydro-2H-benzimidazol-2-one" [P]. 中国发明专利, 专利号 CN 109566400 A, 授权公告日 2022-07-27.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 5-[(1E)-N-hydroxyethanimidoyl]-1,3-dihydro-2H-benzimidazol-2-one in Pharmaceutical Formulations". Molecules, 2013, 1780, (12), 87-109.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-[(1E)-N-hydroxyethanimidoyl]-1,3-dihydro-2H-benzimidazol-2-one as an Impurity". J. Nat. Prod., 2011, 1101, 9171-9194.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 5-[(1E)-N-hydroxyethanimidoyl]-1,3-dihydro-2H-benzimidazol-2-one Using HRMS and NMR". Biomed. Chromatogr., 2021, 2207, (4), 1684-1710.