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发明人孙丽萍,钱学锋,冯建国. "Method for the Synthesis of tert-Butyl 3-oxo-2-(2-oxo-2-(2-phenoxyethoxy)ethyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 115164186 A, 授权公告日 2015-06-28.
发明人李文辉,赵玉洁,胡光. "A Process for Preparing High-Purity tert-Butyl 3-oxo-2-(2-oxo-2-(2-phenoxyethoxy)ethyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 113342767 B, 授权公告日 2015-04-01.
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