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发明人孙丽萍,王建平,郭海燕. "A Process for Preparing High-Purity 5-(5-Methylbenzo[b]thiophen-2-yl)-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112702005 A, 授权公告日 2020-11-18.
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