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发明人刘建华,郭海燕,徐明华. "Method for the Synthesis of 9-Bromo-2-phenyl-1'-propyl-1,10b-dihydrospiro[benzo[e]pyrazolo[1,5-c][1,3]oxazine-5,4'-piperidine]" [P]. 中国发明专利, 专利号 CN 117906323 B, 授权公告日 2015-01-03.
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