发明人王建平,高志强,赵玉洁. "Method for the Synthesis of Ethyl 6-bromo-5-hydroxy-2-(4-methoxyphenyl)benzofuran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108734494 B, 授权公告日 2018-03-20.
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