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发明人郑宇鹏,罗永刚,唐晓军. "A Process for Preparing High-Purity 2-((4-Methylbenzyl)thio)benzo[4,5]thieno[3,2-d]pyrimidin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 109587286 A, 授权公告日 2015-11-21.
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