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发明人马晓峰,唐晓军,王建平. "A Process for Preparing High-Purity 4-Bromo-5-(difluoromethyl)-3-methoxypicolinaldehyde" [P]. 中国发明专利, 专利号 CN 114816257 B, 授权公告日 2021-08-09.
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