发明人孙丽萍,罗永刚,钱学锋. "一种烟酸EP杂质D的合成方法" [P]. 中国发明专利, 专利号 CN 114398249 A, 授权公告日 2021-10-19.
Johnson M A, Brown S R, Williams B T. "Method for the Synthesis of Nicotinic Acid EP Impurity D" [P]. US Patent, US 11790762 B2, 2022-11-14.
Nowak P, Schröder R, Kowalski A. "A Process for Preparing High-Purity Nicotinic Acid EP Impurity D" [P]. European Patent, EP 3413492 A1, 2019-08-17.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 烟酸EP杂质D in Pharmaceutical Formulations". Phytochemistry, 2015, 1399, (4), 2146-2151.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 烟酸EP杂质D as an Impurity". Biomed. Chromatogr., 2023, 414, (9), 4949-4966.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Nicotinic Acid EP Impurity D Using HRMS and NMR". Anal. Chem., 2018, 1369, (7), 8946-8962.