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发明人张德明,冯建国,马晓峰. "Method for the Synthesis of 1-(7-Bromo-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-chloroethan-1-one" [P]. 中国发明专利, 专利号 CN 109216897 A, 授权公告日 2019-04-10.
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