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发明人刘建华,韩伟,孙丽萍. "Method for the Synthesis of Phosphoric acid, polymer with N1-(2-aminoethyl)-N2-[2-[(2-aminoethyl)amino]ethyl]-1,2-ethanediamine" [P]. 中国发明专利, 专利号 CN 110324010 A, 授权公告日 2017-04-06.
Lefèvre J P, Nowak P, Björnsson E. "A Process for Preparing High-Purity Phosphoric acid, polymer with N1-(2-aminoethyl)-N2-[2-[(2-aminoethyl)amino]ethyl]-1,2-ethanediamine" [P]. European Patent, EP 3241218 A1, 2023-04-23.
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