发明人胡光,罗永刚,李文辉. "Method for the Synthesis of 4-(4-Chloro-2-fluorobenzamido)-1-methyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113839526 B, 授权公告日 2021-06-13.
发明人张德明,马晓峰,韩伟. "A Process for Preparing High-Purity 4-(4-Chloro-2-fluorobenzamido)-1-methyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111502799 A, 授权公告日 2018-11-09.
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