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发明人罗永刚,郭海燕,唐晓军. "A Process for Preparing High-Purity 1,3-Dichloro-2-ethynyl-5-(trifluoromethyl)benzene" [P]. 中国发明专利, 专利号 CN 111392072 A, 授权公告日 2019-07-23.
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