发明人徐明华,林芳,李文辉. "Method for the Synthesis of N1,N1'-(Propane-1,3-diyl)bis(N3-(3-aminopropyl)propane-1,3-diamine)" [P]. 中国发明专利, 专利号 CN 112278978 A, 授权公告日 2017-06-01.
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