发明人李文辉,朱建伟,张德明. "Method for the Synthesis of 2,2'-((2-Nitro-1,4-phenylene)bis(azanediyl))diethanol" [P]. 中国发明专利, 专利号 CN 109108815 A, 授权公告日 2022-02-20.
发明人杨光,朱建伟,徐明华. "A Process for Preparing High-Purity 2,2'-((2-Nitro-1,4-phenylene)bis(azanediyl))diethanol" [P]. 中国发明专利, 专利号 CN 114962368 A, 授权公告日 2019-10-13.
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