发明人王建平,杨光,郭海燕. "Method for the Synthesis of 2-(Tert-butyl)-2,4-dihydrospiro[indazole-5,4'-piperidin]-7(6H)-one" [P]. 中国发明专利, 专利号 CN 109651224 B, 授权公告日 2020-04-28.
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