51134-96-4 BENZOIC ACID, 3,3'-(ETHYLENEBIS(OXYETHYLENEOXYETHYLENECARBONYLIMINO))BIS(5-(PROP BRN 2800963 Benzoic acid, 3,3'-(ethylenebis(oxyethyleneoxyethylenecarbonylimino))bis(5-(propionamidomethyl)-2,4,6-triiodo-