发明人徐明华,李文辉,孙丽萍. "Method for the Synthesis of Tert-butyl 4-(2,2,2-trifluoroacetamido)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111323534 B, 授权公告日 2017-11-13.
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