发明人何建平,刘建华,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117740113 A, 授权公告日 2023-02-21.
发明人朱建伟,罗永刚,赵玉洁. "Method for the Synthesis of (S)-Proxyphylline" [P]. 中国发明专利, 专利号 CN 114323256 B, 授权公告日 2021-04-26.
发明人冯建国,胡光,刘建华. "A Process for Preparing High-Purity (S)-Proxyphylline" [P]. 中国发明专利, 专利号 CN 108563366 A, 授权公告日 2019-01-16.
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". J. Agric. Food Chem., 2010, 270, (2), 5887-5890.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 262, (1), 6486-6500.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (S)-Proxyphylline Using HRMS and NMR". Talanta, 2018, 1356, (5), 6647-6675.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2013, 1689, 7230-7250.