1214-01-3 4-(3-Hydroxy-2,4,6-triiodophenoxy)butyric acid BRN 2565272 BUTYRIC ACID, 4-(3-HYDROXY-2,4,6-TRIIODOPHENOXY)- gamma-(2,4,6-Trijod-3-hydroxy-phenoxy)-buttersaeure [German]