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发明人刘建华,杨光,赵玉洁. "Method for the Synthesis of 2,2-Dimethyl-5-(piperazin-1-ylmethylene)-1,3-dioxane-4,6-dione" [P]. 中国发明专利, 专利号 CN 117754879 B, 授权公告日 2020-11-18.
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