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发明人何建平,罗永刚,胡光. "A Process for Preparing High-Purity 2-(4-Chlorophenyl)-7,8-dihydro-3H-pyrano[4,3-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 117630842 B, 授权公告日 2021-11-27.
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