发明人杨光,徐明华,黄志刚. "Method for the Synthesis of 7-(Diethylamino)-4-methyl-2-oxo-2H-chromene-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 117668525 A, 授权公告日 2025-08-19.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 1352, 8313-8323.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 731, (10), 555-571.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 7-(Diethylamino)-4-methyl-2-oxo-2H-chromene-3-carbaldehyde Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 568, (10), 4152-4167.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2016, 1612, 2037-2063.