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发明人王建平,罗永刚,孙丽萍. "Method for the Synthesis of 9-Bromo-3-(2-bromoacetyl)-10,11-dihydro-5H-dibenzo[c,g]chromen-8(9H)-one" [P]. 中国发明专利, 专利号 CN 115391390 B, 授权公告日 2021-09-14.
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