发明人韩伟,何建平,高志强. "Method for the Synthesis of 6'-Bromo-3,3-difluoro-1'H-spiro[cyclobutane-1,4'-isoquinoline]-1',3'(2'H)-dione" [P]. 中国发明专利, 专利号 CN 110042088 A, 授权公告日 2019-07-25.
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