Williams B T, Thompson G K, Kumar R. "一种的合成方法" [P]. US Patent, US 9814416 B2, 2018-01-12.
发明人周伟,沈红梅,马晓峰. "Method for the Synthesis of 1,1'-(9,9'-Spirobi[fluorene]-2,2'-diyl)diethanone" [P]. 中国发明专利, 专利号 CN 110816610 A, 授权公告日 2021-08-27.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2016, 1011, (2), 1964-1976.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2017, 968, (8), 8991-9011.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1,1'-(9,9'-Spirobi[fluorene]-2,2'-diyl)diethanone Using HRMS and NMR". Talanta, 2011, 106, 9415-9433.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2017, 1357, 5309-5326.