Patel M V, Kumar R, Roberts E F. "一种的合成方法" [P]. US Patent, US 9491876 B2, 2016-10-28.
O'Brien P Q, Patel M V, Lee S K. "Method for the Synthesis of 4-(6-Nitro-2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl)butanoic acid" [P]. US Patent, US 9983243 B2, 2016-09-14.
发明人胡光,孙丽萍,冯建国. "A Process for Preparing High-Purity 4-(6-Nitro-2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 111969206 A, 授权公告日 2019-10-23.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2018, 297, (12), 5082-5089.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2024, 717, (10), 6316-6333.