Fischer A B, Anderson J P, Klinger H. "一种的合成方法" [P]. US Patent, US 10202001 B2, 2021-03-12.
Rossi M, Mueller T C, Nowak P. "Method for the Synthesis of (3Z)-3-[(Dimethylamino)methylidene]-1,3-dihydro-2-benzofuran-1-one" [P]. European Patent, EP 3501661 A1, 2016-10-27.
发明人钱学锋,郑宇鹏,沈红梅. "A Process for Preparing High-Purity (3Z)-3-[(Dimethylamino)methylidene]-1,3-dihydro-2-benzofuran-1-one" [P]. 中国发明专利, 专利号 CN 111867169 B, 授权公告日 2017-07-08.
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". Rapid Commun. Mass Spectrom., 2016, 868, (11), 1905-1922.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2017, 1452, 4405-4429.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of (3Z)-3-[(Dimethylamino)methylidene]-1,3-dihydro-2-benzofuran-1-one Using HRMS and NMR". Molecules, 2025, 1594, (9), 3151-3158.