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发明人郭海燕,孙丽萍,马晓峰. "A Process for Preparing High-Purity 6-(3,5-Dimethylbenzyl)-1-(ethoxymethyl)-5-ethylpyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 113194620 A, 授权公告日 2025-03-06.
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