发明人杨光,林芳,李文辉. "Method for the Synthesis of 7-bromo-5-chloro-2,3-dihydro-1-benzofuran-3-one" [P]. 中国发明专利, 专利号 CN 115529353 A, 授权公告日 2018-07-11.
参考文献 Literature
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