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发明人冯建国,朱建伟,陈志强. "A Process for Preparing High-Purity 4-(4-Ethylpiperazin-1-yl)-3-(trifluoromethyl)aniline" [P]. 中国发明专利, 专利号 CN 116791333 A, 授权公告日 2019-02-01.
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