Martínez F, Nowak P, Lefèvre J P. "一种4-Chloro-2-(1,3-dihydro-benzoimidazol-2-ylidene)-3-oxo-butyronitrile的合成方法" [P]. European Patent, EP 3320627 A1, 2025-06-16.
发明人高志强,张德明,王建平. "Method for the Synthesis of 4-Chloro-2-(1,3-dihydro-benzoimidazol-2-ylidene)-3-oxo-butyronitrile" [P]. 中国发明专利, 专利号 CN 112774871 A, 授权公告日 2015-11-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 4-Chloro-2-(1,3-dihydro-benzoimidazol-2-ylidene)-3-oxo-butyronitrile in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 408, 9639-9665.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-Chloro-2-(1,3-dihydro-benzoimidazol-2-ylidene)-3-oxo-butyronitrile as an Impurity". Phytochemistry, 2012, 210, (6), 358-367.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-2-(1,3-dihydro-benzoimidazol-2-ylidene)-3-oxo-butyronitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 1319, (12), 2115-2118.