发明人胡光,罗永刚,沈红梅. "Method for the Synthesis of 2-Amino-4-(3,4-dimethoxyphenyl)-7-hydroxy-4H-chromene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 111399072 A, 授权公告日 2020-01-12.
发明人唐晓军,张德明,李文辉. "A Process for Preparing High-Purity 2-Amino-4-(3,4-dimethoxyphenyl)-7-hydroxy-4H-chromene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 109955957 A, 授权公告日 2021-04-07.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2024, 2333, (11), 3554-3566.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2025, 1826, 6301-6321.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-4-(3,4-dimethoxyphenyl)-7-hydroxy-4H-chromene-3-carbonitrile Using HRMS and NMR". Environ. Sci. Technol., 2025, 1884, (10), 3457-3468.