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发明人冯建国,唐晓军,马晓峰. "A Process for Preparing High-Purity N-(4-(N-(2-(3-(4-Ethoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)sulfamoyl)phenyl)propionamide" [P]. 中国发明专利, 专利号 CN 113299293 A, 授权公告日 2015-07-20.
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