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发明人朱建伟,钱学锋,郭海燕. "A Process for Preparing High-Purity 4-(4-Methyl-2,5-dioxoimidazolidin-4-yl)benzamide" [P]. 中国发明专利, 专利号 CN 110033689 B, 授权公告日 2016-04-17.
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