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发明人张德明,郭海燕,马晓峰. "A Process for Preparing High-Purity 2-(3,5-Dichloropyridin-2-yl)-2,2-difluoroacetic acid" [P]. 中国发明专利, 专利号 CN 117301882 B, 授权公告日 2025-01-06.
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