Björnsson E, Martínez F, Jørgensen K. "Method for the Synthesis of 6-Isopropyl-4-oxo-4H-chromene-3-carbonitrile" [P]. European Patent, EP 3381600 A1, 2025-03-27.
发明人钱学锋,徐明华,马晓峰. "A Process for Preparing High-Purity 6-Isopropyl-4-oxo-4H-chromene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 114363718 A, 授权公告日 2022-08-03.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2014, 2261, 7664-7674.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2018, 2051, 7202-7211.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 6-Isopropyl-4-oxo-4H-chromene-3-carbonitrile Using HRMS and NMR". Chromatographia, 2010, 2055, (7), 6316-6336.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2021, 2437, 9204-9225.