发明人沈红梅,郑宇鹏,马晓峰. "Method for the Synthesis of 9-Chlorospiro[benzo[c]fluorene-7,9'-fluorene]" [P]. 中国发明专利, 专利号 CN 115616912 B, 授权公告日 2017-01-21.
发明人黄志刚,冯建国,刘建华. "A Process for Preparing High-Purity 9-Chlorospiro[benzo[c]fluorene-7,9'-fluorene]" [P]. 中国发明专利, 专利号 CN 115248322 A, 授权公告日 2015-07-06.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 161, 632-658.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2022, 1537, (9), 9001-9004.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 9-Chlorospiro[benzo[c]fluorene-7,9'-fluorene] Using HRMS and NMR". Anal. Chim. Acta, 2018, 361, (1), 5597-5622.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2021, 705, (10), 1430-1456.