Martínez F, Johansson L, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3219579 A1, 2018-11-18.
发明人钱学锋,黄志刚,冯建国. "Method for the Synthesis of 2,2',7,7'-Tetraethynyl-9,9'-spirobifluorene" [P]. 中国发明专利, 专利号 CN 108672916 B, 授权公告日 2025-11-15.
Nowak P, Björnsson E, Nielsen H. "A Process for Preparing High-Purity 2,2',7,7'-Tetraethynyl-9,9'-spirobifluorene" [P]. European Patent, EP 3113693 A1, 2017-04-27.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2021, 1602, (6), 9531-9540.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2022, 1670, (7), 8181-8191.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2,2',7,7'-Tetraethynyl-9,9'-spirobifluorene Using HRMS and NMR". Biomed. Chromatogr., 2020, 91, (12), 4607-4612.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2021, 1845, (11), 3190-3205.