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发明人朱建伟,孙丽萍,赵玉洁. "A Process for Preparing High-Purity 5-(trifluoromethyl)benzimidazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 108253395 B, 授权公告日 2020-04-10.
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