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发明人胡光,孙丽萍,陈志强. "A Process for Preparing High-Purity tert-Butyl 5-bromo-2',3',5',6'-tetrahydrospiro[indoline-3,4'-pyran]-1-carboxylate" [P]. 中国发明专利, 专利号 CN 115363540 B, 授权公告日 2015-07-03.
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