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发明人黄志刚,林芳,韩伟. "A Process for Preparing High-Purity 1-(3,4-Dimethoxybenzoyl)-1H-indole-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 112055381 A, 授权公告日 2019-09-24.
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