发明人徐明华,黄志刚,何建平. "Method for the Synthesis of 7-Bromo-4-oxo-4H-chromene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 108788528 B, 授权公告日 2016-11-03.
Mueller T, Thompson G K, Williams B T. "A Process for Preparing High-Purity 7-Bromo-4-oxo-4H-chromene-3-carbonitrile" [P]. US Patent, US 11282295 B2, 2019-03-17.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2024, 2293, (4), 9668-9684.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 2266, 1445-1466.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 7-Bromo-4-oxo-4H-chromene-3-carbonitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 1758, 3856-3871.