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发明人罗永刚,冯建国,孙丽萍. "A Process for Preparing High-Purity Methyl 4-methyl-2-(2-(o-tolyloxy)acetamido)-5-((3-(trifluoromethyl)phenyl)carbamoyl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117017025 A, 授权公告日 2015-04-19.
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