3'-Amino-4',6'-diiodosuccinanilic acid 37938-58-2 4-((5-Amino-2,4-diiodophenyl)amino)-4-oxobutyric acid BRN 2989851 Butyric acid, 4-((5-amino-2,4-diiodophenyl)amino)-4-oxo- (9CI) N-(Dijod-m-aminophenyl)succinamidsaeure [German] Succinanilic acid, 3'-amino-4',6'-diiodo-