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发明人周伟,孙丽萍,何建平. "Method for the Synthesis of 1-(4-(Ethoxycarbonyl)-3,5-dimethyl-1H-pyrrole-2-carbonyl)piperidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112713261 B, 授权公告日 2018-12-03.
发明人胡光,杨光,高志强. "A Process for Preparing High-Purity 1-(4-(Ethoxycarbonyl)-3,5-dimethyl-1H-pyrrole-2-carbonyl)piperidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117684456 A, 授权公告日 2025-09-14.
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