发明人何建平,郭海燕,黄志刚. "Method for the Synthesis of O5-tert-butyl O6-ethyl 3-bromo-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5,6-dicarboxylate" [P]. 中国发明专利, 专利号 CN 116034225 B, 授权公告日 2025-06-06.
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