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发明人徐明华,钱学锋,高志强. "Method for the Synthesis of Tert-butyl 4-(3-amino-1,2,4-thiadiazol-5-yl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111284637 A, 授权公告日 2017-05-19.
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