发明人何建平,郑宇鹏,陈志强. "Method for the Synthesis of 2-(Dibenzo[b,d]thiophen-2-yloxy)-2-methylpropanoic acid" [P]. 中国发明专利, 专利号 CN 110938876 B, 授权公告日 2019-02-24.
发明人王建平,钱学锋,赵玉洁. "A Process for Preparing High-Purity 2-(Dibenzo[b,d]thiophen-2-yloxy)-2-methylpropanoic acid" [P]. 中国发明专利, 专利号 CN 114251293 B, 授权公告日 2018-09-11.
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