发明人郭海燕,杨光,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108339092 A, 授权公告日 2023-03-09.
发明人杨光,徐明华,沈红梅. "Method for the Synthesis of 3-Methyl-5-((4-(2-(thiophen-3-yl)acetyl)piperazin-1-yl)sulfonyl)thiophene-2,4-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 111017068 B, 授权公告日 2025-01-12.
发明人刘建华,钱学锋,李文辉. "A Process for Preparing High-Purity 3-Methyl-5-((4-(2-(thiophen-3-yl)acetyl)piperazin-1-yl)sulfonyl)thiophene-2,4-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 108775442 A, 授权公告日 2024-05-22.
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