发明人孙丽萍,王建平,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110483038 A, 授权公告日 2018-05-18.
发明人何建平,郑宇鹏,陈志强. "Method for the Synthesis of 5-Nitro-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl diacetate" [P]. 中国发明专利, 专利号 CN 117244025 A, 授权公告日 2018-12-16.
Patel M V, Roberts E F, Williams B T. "A Process for Preparing High-Purity 5-Nitro-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl diacetate" [P]. US Patent, US 10642898 B2, 2021-06-12.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2010, 346, 7822-7840.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2012, 1191, (10), 4464-4477.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5-Nitro-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl diacetate Using HRMS and NMR". Biomed. Chromatogr., 2018, 1024, 6309-6323.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2017, 1286, 583-598.