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发明人郭海燕,唐晓军,李文辉. "A Process for Preparing High-Purity Ethyl 3-((4-(4-chlorophenyl)piperazin-1-yl)sulfonyl)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117273084 B, 授权公告日 2017-04-12.
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