发明人王建平,林芳,沈红梅. "Method for the Synthesis of 3-Hydroxy-1-benzofuran-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 116991038 B, 授权公告日 2016-01-13.
发明人刘建华,杨光,张德明. "A Process for Preparing High-Purity 3-Hydroxy-1-benzofuran-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 115887079 A, 授权公告日 2021-01-24.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 2095, (5), 6586-6611.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 2344, (9), 8354-8377.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 3-Hydroxy-1-benzofuran-2-carbonitrile Using HRMS and NMR". Phytochemistry, 2023, 591, (5), 984-1011.