发明人张德明,陈志强,周伟. "Method for the Synthesis of 1,1'-(Azanediylbis(ethane-2,1-diyl))bis(imidazolidine-2,4-dione)" [P]. 中国发明专利, 专利号 CN 117754139 B, 授权公告日 2015-03-23.
Nowak P, Lefèvre J P, Johansson L. "A Process for Preparing High-Purity 1,1'-(Azanediylbis(ethane-2,1-diyl))bis(imidazolidine-2,4-dione)" [P]. European Patent, EP 3213095 A1, 2021-09-04.
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