发明人孙丽萍,沈红梅,刘建华. "Method for the Synthesis of 2,2'-((2-Aminoethyl)azanediyl)diacetic acid" [P]. 中国发明专利, 专利号 CN 109988901 B, 授权公告日 2018-03-11.
发明人杨光,周伟,赵玉洁. "A Process for Preparing High-Purity 2,2'-((2-Aminoethyl)azanediyl)diacetic acid" [P]. 中国发明专利, 专利号 CN 110628716 A, 授权公告日 2021-03-27.
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