Johnson M A, Park J H, Kumar R. "Method for the Synthesis of (2E)-2-[(Dimethylamino)methylidene]-4,4,4-trifluoro-3-oxobutanenitrile" [P]. US Patent, US 9383668 B2, 2019-12-20.
发明人钱学锋,黄志刚,罗永刚. "A Process for Preparing High-Purity (2E)-2-[(Dimethylamino)methylidene]-4,4,4-trifluoro-3-oxobutanenitrile" [P]. 中国发明专利, 专利号 CN 113428552 A, 授权公告日 2025-02-04.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2025, 1330, 6736-6744.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2024, 2446, (6), 6240-6254.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of (2E)-2-[(Dimethylamino)methylidene]-4,4,4-trifluoro-3-oxobutanenitrile Using HRMS and NMR". Environ. Sci. Technol., 2012, 656, 4397-4400.