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发明人张德明,罗永刚,赵玉洁. "A Process for Preparing High-Purity 5-(piperazine-1-sulfonyl)-2,3-dihydro-1H-indol-2-one hydrochloride" [P]. 中国发明专利, 专利号 CN 111242379 B, 授权公告日 2015-03-15.
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