发明人冯建国,唐晓军,张德明. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 110362742 A, 授权公告日 2016-10-26.
发明人冯建国,杨光,郑宇鹏. "Method for the Synthesis of Ferric borate" [P]. 中国发明专利, 专利号 CN 110593032 A, 授权公告日 2017-09-13.
发明人高志强,张德明,郑宇鹏. "A Process for Preparing High-Purity Ferric borate" [P]. 中国发明专利, 专利号 CN 111487237 A, 授权公告日 2020-05-18.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 596, (6), 2822-2836.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Phytochemistry, 2019, 2018, 5389-5403.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Ferric borate Using HRMS and NMR". J. Agric. Food Chem., 2018, 195, (4), 2904-2911.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2010, 1129, (2), 6549-6567.