Anderson J P, Patel M V, Stevens L M. "一种的合成方法" [P]. US Patent, US 9471817 B2, 2024-09-12.
Schröder R, O'Brien P Q, Roberts E F. "Method for the Synthesis of 7-Methoxy-4-oxo-4H-chromene-2-carbonitrile" [P]. US Patent, US 11295027 B2, 2017-09-21.
发明人陈志强,孙丽萍,张德明. "A Process for Preparing High-Purity 7-Methoxy-4-oxo-4H-chromene-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 116643130 B, 授权公告日 2021-02-10.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2014, 2260, 6868-6877.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2014, 1533, 7778-7792.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 7-Methoxy-4-oxo-4H-chromene-2-carbonitrile Using HRMS and NMR". J. Pharm. Biomed. Anal., 2015, 2230, 4112-4122.