发明人杨光,王建平,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117788933 A, 授权公告日 2022-05-20.
发明人朱建伟,马晓峰,唐晓军. "Method for the Synthesis of 4-Oxo-2-(phenylamino)-4,5-dihydrofuran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114344863 A, 授权公告日 2019-02-16.
发明人郑宇鹏,罗永刚,郭海燕. "A Process for Preparing High-Purity 4-Oxo-2-(phenylamino)-4,5-dihydrofuran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114381269 A, 授权公告日 2020-12-23.
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". Environ. Sci. Technol., 2014, 686, 1261-1269.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2013, 261, 661-666.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-Oxo-2-(phenylamino)-4,5-dihydrofuran-3-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2019, 1232, 7364-7391.