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发明人郭海燕,罗永刚,钱学锋. "A Process for Preparing High-Purity 1-(5-Chloro-2-hydroxyphenyl)-2,5-dimethyl-1h-pyrrole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 112489452 B, 授权公告日 2024-04-27.
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