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发明人沈红梅,林芳,黄志刚. "A Process for Preparing High-Purity 4-Chloro-1,2-dihydro-1-methyl-2-oxo-3-quinolinecarboxaldehyde" [P]. 中国发明专利, 专利号 CN 109889173 A, 授权公告日 2021-03-27.
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