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发明人韩伟,钱学锋,杨光. "Method for the Synthesis of tert-Butyl 4-(3-amino-1H-indazol-6-yl)-1-piperazinecarboxylate" [P]. 中国发明专利, 专利号 CN 109939660 B, 授权公告日 2025-04-10.
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