发明人黄志刚,赵玉洁,林芳. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 117922360 A, 授权公告日 2021-12-01.
Williams B T, O'Brien P Q, Roberts E F. "Method for the Synthesis of Butyl acrylate-styrene copolymer" [P]. US Patent, US 9084846 B2, 2016-02-21.
发明人韩伟,钱学锋,孙丽萍. "A Process for Preparing High-Purity Butyl acrylate-styrene copolymer" [P]. 中国发明专利, 专利号 CN 115696102 A, 授权公告日 2017-10-03.
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. Sep. Sci., 2020, 1626, (2), 9427-9436.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Anal. Methods, 2011, 1094, (1), 8205-8230.