发明人罗永刚,赵玉洁,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111660594 A, 授权公告日 2018-09-04.
发明人王建平,何建平,黄志刚. "Method for the Synthesis of 1-(4-(Difluoromethoxy)phenyl)-2,5-dimethyl-1h-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110233189 A, 授权公告日 2018-02-16.
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