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发明人赵玉洁,罗永刚,何建平. "Method for the Synthesis of ditert-butyl 2-(3-ethoxy-3-oxo-propyl)-2-methyl-piperazine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 111952874 B, 授权公告日 2025-03-16.
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