发明人孙丽萍,郭海燕,郑宇鹏. "Method for the Synthesis of tert-butyl 6-bromo-4,4-difluoro-2,3-dihydroquinoline-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111677701 B, 授权公告日 2020-01-23.
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