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发明人罗永刚,郑宇鹏,何建平. "A Process for Preparing High-Purity N-Methyl-1-(thiophen-2-ylsulfonyl)indoline-2-carboxamide" [P]. 中国发明专利, 专利号 CN 108558799 A, 授权公告日 2019-07-10.
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