发明人钱学锋,韩伟,黄志刚. "一种咖啡因杂质5的合成方法" [P]. 中国发明专利, 专利号 CN 110874967 A, 授权公告日 2025-08-05.
发明人马晓峰,罗永刚,林芳. "Method for the Synthesis of Caffeine Monohydrate EP Impurity F" [P]. 中国发明专利, 专利号 CN 115773282 A, 授权公告日 2022-10-13.
Hughes D C, Kumar R, Thompson G K. "A Process for Preparing High-Purity Caffeine Monohydrate EP Impurity F" [P]. US Patent, US 9572720 B2, 2019-10-15.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 咖啡因杂质5 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 209, 1060-1068.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 咖啡因杂质5 as an Impurity". Biomed. Chromatogr., 2021, 1662, (7), 3283-3304.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Caffeine Monohydrate EP Impurity F Using HRMS and NMR". Talanta, 2024, 980, (12), 2856-2861.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 咖啡因杂质5 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2011, 113, (2), 3297-3310.