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发明人张德明,王建平,陈志强. "A Process for Preparing High-Purity 2,5-Diaminotoluene Sulfate (2-Methyl-P-Phenylenediamine Sulfate)" [P]. 中国发明专利, 专利号 CN 117189931 A, 授权公告日 2015-10-22.
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