发明人郑宇鹏,韩伟,刘建华. "Method for the Synthesis of Tert-butyl 4-(2h-pyrazolo[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 109383486 B, 授权公告日 2024-04-07.
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