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发明人杨光,罗永刚,孙丽萍. "A Process for Preparing High-Purity [4-(2,4-Difluorophenoxy)-3-nitrophenyl]methyl N-[3-(trifluoromethyl)phenyl]carbamate" [P]. 中国发明专利, 专利号 CN 109229751 B, 授权公告日 2024-01-19.
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