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发明人冯建国,朱建伟,郑宇鹏. "A Process for Preparing High-Purity N-(4-ethylphenyl)-2-((4-ethylphenyl)amino)pyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 115514906 A, 授权公告日 2024-05-01.
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