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发明人罗永刚,何建平,杨光. "A Process for Preparing High-Purity 2-Methyl-7-phenylimidazo[1,2-a]pyrazin-3(7H)-one" [P]. 中国发明专利, 专利号 CN 116687788 B, 授权公告日 2015-08-23.
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