发明人赵玉洁,高志强,孙丽萍. "Method for the Synthesis of (E)-4-((4-(N-(5-ethyl-1,3,4-thiadiazol-2-yl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 116854307 B, 授权公告日 2017-10-08.
O'Brien P Q, Fischer A B, Klinger H. "A Process for Preparing High-Purity (E)-4-((4-(N-(5-ethyl-1,3,4-thiadiazol-2-yl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid" [P]. US Patent, US 10684126 B2, 2016-01-25.
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