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发明人孙丽萍,周伟,郑宇鹏. "A Process for Preparing High-Purity (2E)-3-(4-Bromophenyl)-2-[2-(4-chlorophenyl)hydrazin-1-ylidene]-3-oxopropanal" [P]. 中国发明专利, 专利号 CN 111826009 A, 授权公告日 2015-09-15.
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