发明人王建平,张德明,郭海燕. "Method for the Synthesis of 1-[(5-carbamoyl-1-methyl-1h-pyrrol-3-yl)sulfonyl]piperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116921593 A, 授权公告日 2020-02-22.
发明人杨光,高志强,唐晓军. "A Process for Preparing High-Purity 1-[(5-carbamoyl-1-methyl-1h-pyrrol-3-yl)sulfonyl]piperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117341614 B, 授权公告日 2016-02-15.
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