发明人周伟,王建平,马晓峰. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 116396068 A, 授权公告日 2020-07-08.
Rossi M, Schröder R, Björnsson E. "Method for the Synthesis of Syndiotactic 1,2-polybutadiene" [P]. European Patent, EP 3258911 A1, 2023-06-27.
发明人黄志刚,高志强,周伟. "A Process for Preparing High-Purity Syndiotactic 1,2-polybutadiene" [P]. 中国发明专利, 专利号 CN 112687078 A, 授权公告日 2021-05-11.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2013, 1265, (8), 4725-4754.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Anal. Chim. Acta, 2011, 912, (1), 4872-4881.