Park J H, Roberts E F, Fischer A B. "一种N/A的合成方法" [P]. US Patent, US 10743005 B2, 2018-06-20.
发明人沈红梅,唐晓军,林芳. "Method for the Synthesis of 2-Bromo-3-methylanthracene-9,10-dione" [P]. 中国发明专利, 专利号 CN 116696048 B, 授权公告日 2020-05-14.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". J. Nat. Prod., 2021, 744, 5123-5127.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Phytochemistry, 2025, 1626, 3452-3470.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-Bromo-3-methylanthracene-9,10-dione Using HRMS and NMR". Biomed. Chromatogr., 2012, 1593, 2902-2913.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2019, 2174, (11), 8880-8883.