发明人林芳,罗永刚,赵玉洁. "Method for the Synthesis of 5,7-Dichloro-3-methyl-2-(4-nitrobenzoyl)-1-benzofuran" [P]. 中国发明专利, 专利号 CN 115230602 A, 授权公告日 2020-09-19.
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