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发明人冯建国,王建平,张德明. "Method for the Synthesis of 2-(4-Ethylpiperazin-1-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 110402098 B, 授权公告日 2024-09-27.
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