发明人何建平,高志强,徐明华. "Method for the Synthesis of 2'-Ethyl-5',6'-dihydrospiro[piperidine-4,4'-pyrrolo[1,2-b]pyrazole]" [P]. 中国发明专利, 专利号 CN 111089550 B, 授权公告日 2022-04-19.
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