发明人韩伟,郭海燕,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117444549 A, 授权公告日 2015-08-23.
发明人郑宇鹏,罗永刚,徐明华. "Method for the Synthesis of 7-Amino-9-oxo-9H-fluorene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110856459 A, 授权公告日 2025-12-11.
发明人杨光,何建平,韩伟. "A Process for Preparing High-Purity 7-Amino-9-oxo-9H-fluorene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113970139 B, 授权公告日 2022-09-07.
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". Biomed. Chromatogr., 2016, 2348, 7350-7358.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 1761, (2), 2659-2662.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 7-Amino-9-oxo-9H-fluorene-2-carboxylic acid Using HRMS and NMR". Chromatographia, 2012, 1200, (8), 5320-5324.