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发明人钱学锋,罗永刚,郭海燕. "A Process for Preparing High-Purity 1-(4-Aminobutyl)-1,2-dihydropyridin-2-one" [P]. 中国发明专利, 专利号 CN 108329151 A, 授权公告日 2016-08-11.
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