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发明人钱学锋,韩伟,胡光. "A Process for Preparing High-Purity 2,4-Dichloro-7,7-dimethyl-7,8-dihydroquinolin-5(6H)-one" [P]. 中国发明专利, 专利号 CN 108634458 B, 授权公告日 2017-10-08.
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