发明人何建平,马晓峰,孙丽萍. "Method for the Synthesis of 4-(2,4-Dichlorobenzoyl)-1-methyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115171786 A, 授权公告日 2016-09-27.
发明人赵玉洁,张德明,郑宇鹏. "A Process for Preparing High-Purity 4-(2,4-Dichlorobenzoyl)-1-methyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112000241 B, 授权公告日 2018-11-22.
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